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  • glass ceiling (economics and society)

    gender wage gap: Vertical or hierarchical segregation: …have argued that a “glass ceiling” prevents or reduces the promotions of women beyond a certain point, especially in fields where they are the statistical minority. Theories of the glass ceiling argue that there are gender-based barriers to higher-status positions that result in men having greater access to these…

  • glass ceramics

    industrial glass: Glass ceramics: In some glasses it is possible to bring about a certain degree of crystallization in the normally random atomic structure. Glassy materials that exhibit such a structure are called glass ceramics. Commercially useful glass ceramics are those in which a high density of…

  • glass eel (eel life cycle)

    migration: Catadromous fish: …arrive in coastal waters as glass eels and begin to swim upstream in freshwater streams in spring. Their migration upstream is spectacular, as the young fish gather by millions, forming a dense mass several miles long. In freshwater the eels grow to full size, becoming yellow eels. They live as…

  • glass electrode

    acid–base reaction: Dissociation constants in aqueous solution: …electrode (or more commonly a glass electrode, which responds in the same way) together with a reference electrode, commonly the calomel electrode, serves to measure the actual hydrogen ion concentration, or the pH, of the solution. If E is the electromotive force (in volts) observed by the electrode, the equation…

  • Glass Essay, The (poem by Carson)

    Anne Carson: …but wildly expressive poem, “The Glass Essay,” in which the narrator, while visiting her mother, meditates on a relationship gone bad, on English novelist and poet Emily Bront? (whom she is reading), and on a variety of other interrelated topics. In Autobiography of Red: A Novel in Verse (1998),…

  • Glass family (fictional characters)

    Glass family, fictional family composed of precocious and unhappy adolescents and troubled adults whose lives and philosophies dominated the short stories of J.D. Salinger. The short fiction about the Glass family was originally published in The New Yorker magazine from the late 1940s to the early

  • glass fiber (technology)

    materials science: Optical switching: …problem would be to introduce optics inside digital switching machines. Known as free-space photonics, this approach would involve such devices as semiconductor lasers or light-emitting diodes (LEDs), optical modulators, and photodetectors—all of which would be integrated into systems combined with electronic components.

  • glass fibre (glass)

    Fibreglass, fibrous form of glass that is used principally as insulation and as a reinforcing agent in plastics. Glass fibres were little more than a novelty until the 1930s, when their thermal and electrical insulating properties were appreciated and methods for producing continuous glass

  • glass frog (amphibian)

    Glass frog, (family Centrolenidae), any of a group of tree frogs found in the New World tropics, some species of which have transparent bellies and chests. In glass frogs the viscera are visible, and an observer can see the heart pumping blood into the arteries and food moving through the gut.

  • glass garden (horticulture)

    Terrarium, enclosure with glass sides, and sometimes a glass top, arranged for keeping plants or terrestrial or semi-terrestrial animals indoors. The purpose may be decoration, scientific observation, or plant or animal propagation. Plants commonly grown in terraria at cool temperatures include

  • glass harmonica (musical instrument)

    Glass harmonica, musical instrument consisting of a set of graduated, tuned glass bowls sounded by the friction of wetted fingers on their rims. It was invented by Benjamin Franklin and was derived from the vérillon (musical glasses), a set of glasses, holding different amounts of water and thus

  • Glass House (building, New Canaan, Connecticut, United States)

    Philip Johnson: …own residence, known as the Glass House, at New Canaan, Connecticut (1949). The house, which is notable for its severely simple rectilinear structure and its use of large glass panels as walls, owed much to the precise, minimalist aesthetic of Mies but also alluded to the work of 18th- and…

  • Glass House Mountains (mountains, Australia)

    Glass House Mountains, group of 11 principal peaks, the highest of which is Beerwah (1,824 feet [556 m]), in southeastern Queensland, Australia, 45 miles (70 km) north of Brisbane. Composed of volcanic trachyte, they rise abruptly from the coastal plain, and each of the peaks is a national park.

  • Glass House Mountains (Queensland, Australia)

    Glass House Mountains: The town of Glass House Mountains, the region’s tourist base, is on the Bruce Highway from Brisbane.

  • Glass Key, The (film by Heisler [1942])

    Stuart Heisler: Films of the 1940s: Arguably better was The Glass Key (1942), a terse adaptation of the 1930 Dashiell Hammett novel, which had previously been filmed in 1935. Heisler’s version featured the pairing of Alan Ladd and Veronica Lake, who had appeared together just months earlier in the hit This Gun for Hire…

  • glass lizard (reptile)

    Glass lizard, any lizard of the genus Ophisaurus in the family Anguidae, so named because the tail is easily broken off. The Eastern glass lizard, Ophisaurus ventralis, occurs in southeastern North America and grows to about 105 cm (41 inches). Together, the lizard’s head and body account for only

  • Glass Menagerie, The (film by Rapper [1950])

    Irving Rapper: Later films: of Tennessee Williams’s The Glass Menagerie was a prestigious assignment, and it was a respectable if uninventive transcription of the stage success. Jane Wyman starred as Laura, a crippled recluse; Gertrude Lawrence as her Southern-belle mother; and Kirk Douglas as the suitor who tries to bring Laura out…

  • Glass Menagerie, The (film by Newman [1987])

    Paul Newman: Directing: …Newman directed his last film, The Glass Menagerie, which was a tasteful adaptation of Tennessee Williams’s classic play; Woodward, John Malkovich, Karen Allen, and James Naughton starred.

  • Glass Menagerie, The (play by Williams)

    The Glass Menagerie, one-act drama by Tennessee Williams, produced in 1944 and published in 1945. The Glass Menagerie launched Williams’s career and is considered by some critics to be his finest drama. Amanda Wingfield lives in a St. Louis tenement, clinging to the myth of her early years as a

  • glass painting (art)

    painting: Glass paintings: Glass paintings are executed with oil and hard resin or with watercolour and gum on glass sheets. These have been a folk art tradition in Europe and North America and, from the 15th to the 18th century, were regarded as a fine art…

  • glass perch (fish, family Chandidae)

    Glassfish, any of about 24 small Indo-Pacific fishes of the family Chandidae (or Ambassidae, order Perciformes), most with more or less transparent bodies. Sometimes placed with the snooks and Nile perch in the family Centropomidae, glassfishes are found in freshwater and in the sea along coasts

  • glass print

    Cliché-verre, print made by placing photographic paper beneath a glass plate on which a design has been scratched through a coating of an opaque substance and then exposing it to light. The fluid lines possible with cliché-verre prints are reminiscent of etched lines. The technique was popular in t

  • glass properties, composition, and industrial production

    Industrial glass, solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties—lustre, transparency, and durability—make glass a favoured material for such household objects as windowpanes,

  • glass sand (mineral)

    silica mineral: Solubility of silica minerals: Known as glass sands, these strata are important economic sources of silica for glass and chemical industries. Quartz-bearing strata are abundant in metamorphic terrains. The reincorporation of free silica into complex silicates and the solution and redeposition of silica into veins is characteristic of such terrains.

  • Glass Shield, The (film by Burnett [1994])

    Charles Burnett: The Glass Shield (1994), about a black cop (played by Michael Boatman) working with a racist police unit, was Burnett’s first major commercial effort, but it enjoyed only limited success.

  • Glass Skyscraper (work by Mies van der Rohe)

    Ludwig Mies van der Rohe: Work after World War I: …applied this idea to a glass skyscraper whose transparent facade reveals the building’s underlying steel structure. Both of these building designs were uncompromising in their utter simplicity. Other theoretical studies explored the potentials of concrete and brick construction, and of de Stijl form and Frank Lloyd Wright concepts. Few unbuilt…

  • glass snake (reptile)

    Glass lizard, any lizard of the genus Ophisaurus in the family Anguidae, so named because the tail is easily broken off. The Eastern glass lizard, Ophisaurus ventralis, occurs in southeastern North America and grows to about 105 cm (41 inches). Together, the lizard’s head and body account for only

  • glass sponge (invertebrate)

    Glass sponge, any of a class (Hexactinellida, also called Hyalospongiae, or Triaxonia) of sponges characterized by a skeleton that consists of silica spicules (needlelike structures) often united into a delicate geometric network—e.g., that of Venus’s flower basket (q.v.). Glass sponges occur

  • glass transformation range (materials science)

    industrial glass: The glass transformation range: …range of temperatures called the glass transformation range; in Figure 1 it is shown by the smooth departure of line abcg from line abcf, which is known as the equilibrium liquid line. (Not shown in Figure 1 is the glass transition temperature, or Tg; this would be located at the…

  • glass transition (materials science)

    industrial glass: The glass transformation range: …on the other hand, the transition from liquid to solid takes place with essentially a discontinuous change in volume. In Figure 1 this abrupt transition is indicated by a sharp drop, within the shaded crystallization region, from the liquid line abcf to the crystal line de. With further cooling, the…

  • glass transition temperature (materials science)

    amorphous solid: Distinction between crystalline and amorphous solids: …point, and Tg is the glass transition temperature. In scenario 1 the liquid freezes at Tf into a crystalline solid, with an abrupt discontinuity in volume. When cooling occurs slowly, this is usually what happens. At sufficiently high cooling rates, however, most materials display a different behaviour and follow route…

  • Glass Web, The (film by Arnold [1953])

    Jack Arnold: The Glass Web (1953), also shot in 3-D, was a murder mystery starring Edward G. Robinson and John Forsythe.

  • glass wool (fibre)

    fibreglass: Fibreglass wool, an excellent sound and thermal insulator, is commonly used in buildings, appliances, and plumbing. Glass filaments and yarns add strength and electrical resistivity to molded plastic products, such as pleasure boat hulls, automobile body parts, and housings for a variety of electronic consumer…

  • Glass, Carter (American politician)

    Carter Glass, American politician who became a principal foe in the Senate of President Franklin D. Roosevelt’s New Deal in the 1930s. In the main self-educated, having left school at the age of 13, Glass followed his father’s path into journalism, finally becoming proprietor of the Lynchburg Daily

  • Glass, Gotthard (Israeli army officer and inventor)

    Uziel Gal, Israeli army officer and inventor who designed the Uzi submachine gun, a compact automatic weapon used throughout the world as a police and special-forces firearm. To escape the Nazi rise to power, Gal moved to England in 1933 and then to Kibbutz Yagur, in northern Palestine, in 1936. He

  • Glass, Hugh (American frontiersman)

    Hugh Glass, American frontiersman and fur trapper who became a folk hero after surviving a bear attack and then traveling hundreds of miles alone to safety. Little is known of Glass’s life before 1823, when he signed up for a fur-trading expedition backed by William Henry Ashley. The group departed

  • Glass, Ira (American radio and television host)

    Ira Glass, American television and radio personality who was the popular host of a radio program (begun 1995 and later adapted for television) called This American Life. In 1978 Glass talked his way into an internship at National Public Radio (NPR) in Washington, D.C. He quickly became enamoured

  • Glass, Joanna (Canadian author)

    Canadian literature: Drama: Joanna Glass’s plays, ranging from Artichoke (1975) to Trying (2005), explore intergenerational conflicts and women’s issues. The plays of Judith Thompson, which gain their shape from dreams and the effects of dreams, are visually exciting explorations of the evil force in the human subconscious (The…

  • Glass, John (Scottish minister)

    John Glas, Scottish Presbyterian clergyman denounced by his church for opposing the concept of a national religious establishment. He was founder of the Glasites (Sandemanians, q.v.). Glas became minister of Tealing Church, Dundee, Angus, in 1719. Some of his parishioners led him to question the

  • Glass, Museum of (museum, Tacoma, Washington, United States)

    Arthur Erickson: …echoing its surroundings; and the Museum of Glass (2002) in Tacoma, Washington, featuring a 90-foot (27-metre) cone of stainless steel.

  • Glass, Philip (American composer)

    Philip Glass, American composer of innovative instrumental, vocal, and operatic music. Glass studied flute as a boy and enrolled at age 15 at the University of Chicago, where he studied mathematics and philosophy and graduated in 1956. His interest in atonal music drew him on to study composition

  • Glass-Bottom Boat, The (film by Tashlin [1966])

    Frank Tashlin: Films of the 1960s: …Poirot, with mixed results, whereas The Glass-Bottom Boat (1966) was an enormously successful comedy in which star Doris Day is mistaken for a Russian spy. Caprice (1967) starred Day as an industrial spy. Hope and Phyllis Diller were paired in The Private Navy of Sgt. O’Farrell (1968), which failed at…

  • glass-melting furnace

    industrial glass: The glass-melting furnace: After a glass batch is mixed in blenders, it is conveyed to the doghouse, a sort of hopper located at the back of the melting chamber of a glass-melting furnace (see Figure 8). The batch is often lightly moistened to…

  • Glass-Steagall Act (United States [1933])

    bank: Entry, branching, and financial-services restrictions: …Act, repealed provisions of the Glass-Steagall Act that had prevented banks, securities firms, and insurance companies from entering each other’s markets, allowing for a series of mergers that created the country’s first “megabanks.”

  • glassblowing

    Glassblowing, the practice of shaping a mass of glass that has been softened by heat by blowing air into it through a tube. Glassblowing was invented by Syrian craftsmen in the area of Sidon, Aleppo, Hama, and Palmyra in the 1st century bc, where blown vessels for everyday and luxury use were

  • Glassboro (New Jersey, United States)

    Glassboro, borough (town), Gloucester county, southwestern New Jersey, U.S. It lies 17 miles (27 km) south of Camden. Hollybush (1849), the home of the president of Rowan College of New Jersey (1923; formerly Glassboro State College), was the site of a meeting in 1967 between the U.S. president

  • Glassboro Normal School (university, Glassboro, New Jersey, United States)

    Rowan University, public, coeducational institution of higher learning in Glassboro, New Jersey, U.S. It includes the schools of business, education, engineering, fine and performing arts, and liberal arts and sciences. In addition to some 30 bachelor’s degree programs, the college offers a range

  • Glassboro State College (university, Glassboro, New Jersey, United States)

    Rowan University, public, coeducational institution of higher learning in Glassboro, New Jersey, U.S. It includes the schools of business, education, engineering, fine and performing arts, and liberal arts and sciences. In addition to some 30 bachelor’s degree programs, the college offers a range

  • Glassco, John (Canadian author)

    John Glassco, Canadian author whose poetry, short stories, novels, memoirs, and translations are notable for their versatility and sophistication. Glassco abandoned his studies at McGill University, Montreal, to join the expatriate community in Paris, an experience he chronicled in the celebrated

  • glasses (optics)

    Eyeglasses, lenses set in frames for wearing in front of the eyes to aid vision or to correct such defects of vision as myopia, hyperopia, and astigmatism. In 1268 Roger Bacon made the earliest recorded comment on the use of lenses for optical purposes, but magnifying lenses inserted in frames were

  • glasseye snapper (fish)

    bigeye: The glasseye snapper (P. cruentatus), also called the catalufa, about 30 cm long, is found in both the Atlantic and Pacific. The popeye catalufa (Pristigenys serrula) is a Pacific ocean species.

  • glassfish (fish)

    Icicle fish, (Salanx), any of several semitransparent fishes, family Salangidae, found in freshwaters and salt waters of eastern Asia and considered a delicacy by the Chinese. The numerous species are slender and troutlike in form, scaleless or finely scaled, and seldom more than 15 centimetres (6

  • glassfish (fish, family Chandidae)

    Glassfish, any of about 24 small Indo-Pacific fishes of the family Chandidae (or Ambassidae, order Perciformes), most with more or less transparent bodies. Sometimes placed with the snooks and Nile perch in the family Centropomidae, glassfishes are found in freshwater and in the sea along coasts

  • glasshouse

    Greenhouse, building designed for the protection of tender or out-of-season plants against excessive cold or heat. In the 17th century, greenhouses were ordinary brick or timber shelters with a normal proportion of window space and some means of heating. As glass became cheaper and as more

  • glassine (paper)

    papermaking: Substance and quantity measurement: Glassine, for example, may be 1.4 grams per cubic centimetre and creped wadding, used for packaging breakables, only 0.1 gram per cubic centimetre. Most common papers are in the range of 0.5 to 0.7 gram per cubic centimetre.

  • Glasspool, Mary (American bishop)

    Anglican Communion: Recent history: The ECUSA’s consecration of Mary Glasspool, who was in a same-sex relationship, as a suffragan bishop in the diocese of Los Angeles in 2010 increased tensions between liberals and traditionalists within the Anglican Communion and prompted a rebuke of the ECUSA from Williams for breaking the 2004 moratorium. Later…

  • glassware

    Glassware, any decorative article made of glass, often designed for everyday use. From very early times glass has been used for various kinds of vessels, and in all countries where the industry has been developed glass has been produced in a great variety of forms and kinds of decoration, much of

  • glasswort (plant)

    Glasswort, (genus Salicornia), genus of about 30 species of annual succulent herbs in the amaranth family (Amaranthaceae). Native to salt marshes and beaches around the world, glassworts are halophytic plants that accumulate salts in their leaves and stems as an adaptation to their saline habitats.

  • glassy metal

    industrial glass: Glassy metals: Another nonoxide group is the glassy metals, formed by high-speed quenching of fluid metals. Perhaps the most studied glassy metal is a compound of iron, nickel, phosphorus, and boron that is commercially available as Metglas (trademark). It is used in flexible magnetic shielding…

  • glassy state (materials science)

    amorphous solid: Distinction between crystalline and amorphous solids: …use include noncrystalline solid and vitreous solid. Amorphous solid and noncrystalline solid are more general terms, while glass and vitreous solid have historically been reserved for an amorphous solid prepared by rapid cooling (quenching) of a melt—as in scenario 2 of Figure 3.

  • glassy sweeper (fish)

    sweeper: The glassy sweeper (Pempheris schomburgki) of the western Atlantic is the only representative along the North American coasts. No species occur in the eastern Atlantic or eastern Pacific.

  • glassy texture (geology)

    igneous rock: Crystallinity: Aphanitic and glassy textures represent relatively rapid cooling of magma and, hence, are found mainly among the volcanic rocks. Slower cooling, either beneath Earth’s surface or within very thick masses of lava, promotes the formation of crystals and, under favourable circumstances of magma composition and other factors,…

  • Glastonbury (England, United Kingdom)

    Glastonbury, town (parish), Mendip district, administrative and historic county of Somerset, southwestern England. It is situated on the slopes of a group of hills that rise from the valley of the River Brue to a tor (hill) reaching 518 feet (158 metres) above sea level on the southeastern side of

  • Glastonbury Festival (British music festival)

    Glastonbury: Nearby Worthy Farm hosts the Glastonbury Festival, a popular music and performing arts event that is typically held every summer. Pop. (2001) 8,784; (2011) 8,932.

  • Glastonbury Romance, A (novel by Powys)

    English literature: The literature of World War I and the interwar period: …in Wolf Solent (1929) and A Glastonbury Romance (1932), John Cowper Powys developed an eccentric and highly erotic mysticism.

  • glastum (plant)

    Woad, (Isatis tinctoria), biennial or perennial herb in the mustard family (Brassicaceae), formerly grown as a source of the blue dye indigo. A summer-flowering plant native to Eurasia, woad is sometimes cultivated for its attractive flowers and has naturalized in parts of North America, where it

  • Glatigny, Albert-Alexandre (French poet)

    Albert-Alexandre Glatigny, French poet of the Parnassian school, known for his small poems of satiric comment and for his peripatetic life as a strolling actor and improvisationalist. A poor boy apprenticed to a printer, Glatigny wrote a historical drama at 16 and a year later ran off to join a

  • Glatigny, Joseph-Albert-Alexandre (French poet)

    Albert-Alexandre Glatigny, French poet of the Parnassian school, known for his small poems of satiric comment and for his peripatetic life as a strolling actor and improvisationalist. A poor boy apprenticed to a printer, Glatigny wrote a historical drama at 16 and a year later ran off to join a

  • Glatshteyn, Yankev (American author and literary critic)

    Jacob Glatstein, Polish-born poet and literary critic who in 1920 helped establish the Inzikhist (“Introspectivist”) literary movement. In later years he was one of the outstanding figures in mid-20th-century American Yiddish literature. Glatstein immigrated to the United States in 1914 and studied

  • Glatstein, Jacob (American author and literary critic)

    Jacob Glatstein, Polish-born poet and literary critic who in 1920 helped establish the Inzikhist (“Introspectivist”) literary movement. In later years he was one of the outstanding figures in mid-20th-century American Yiddish literature. Glatstein immigrated to the United States in 1914 and studied

  • Glatz (Poland)

    K?odzko, city, Dolno?l?skie województwo (province), southwestern Poland, in the Sudety (Sudeten) mountains on both sides of the Nysa K?odzka River. A Polish frontier settlement existed there from the 6th to the 10th century; a fortress was then built to protect the town from Bohemian forces.

  • Glatzer Neisse (river, Poland)

    Neisse River: The Nysa K?odzka (Glatzer Neisse), or Neisse of the city of K?odzko (Glatz), is the shorter (113 miles [182 km]) and lies entirely within Poland. Both rise in the Sudeten mountains, flow northward, and empty into the Oder River.

  • Glaube und Heimat (work by Sch?nherr)

    Karl Sch?nherr: Glaube und Heimat (1910; “Faith and Homeland”), often considered his best play, concerns peasant resistance to the Counter-Reformation of the church.

  • Glaubensbekenntnis (work by Freiligrath)

    Ferdinand Freiligrath: …his collection of political poems Glaubensbekenntnis (1844; “Statement of Conscience”). His poetry was banned, and he was forced to leave Germany for Belgium and Switzerland and then England. His poems in ?a ira (1846; “This Will Be”) and Neuere politische und soziale Gedichte (1849 and 1851; “Newer Political and Social…

  • Glauber’s salt (chemical compound)

    lake: Chemical precipitates: …that contain high concentrations of sodium sulfate are called bitter lakes, and those containing sodium carbonate are called alkali lakes. Soda Lake, California, is estimated to contain nearly one million tons of anhydrous sulfate. Magnesium salts of these types are also quite common and can be found in the same…

  • Glauber, Johann Rudolf (German-Dutch chemist)

    Johann Rudolf Glauber, German-Dutch chemist, sometimes called the German Boyle; i.e., the father of chemistry. Settling in Holland, Glauber made his living chiefly by the sale of secret chemicals and medicinals. He prepared hydrochloric acid from common salt and sulfuric acid and pointed out the

  • Glauber, Roy J. (American physicist)

    Roy J. Glauber, American physicist, who won one-half of the Nobel Prize for Physics in 2005 for contributions to the field of optics, the branch of physics that deals with the physical properties of light and its interactions with matter. (The other half of the award was shared by John L. Hall and

  • Glaucia, Gaius Servilius (Roman politician)

    Lucius Appuleius Saturninus: …bc), Roman politician who, with Gaius Servilius Glaucia, opposed the Roman Senate from 103 to 100, at first with the cooperation of the prominent general Gaius Marius.

  • Glaucidium (bird)

    Pygmy owl, any of about 12 species of small owls in the family Strigidae. They are distributed through parts of North and South America and include several African and Southeast Asian species called owlets. Pygmy owls are only about 20 cm (8 inches) long. Often active during the day, these owls

  • Glaucionetta albeola (bird)

    Bufflehead, (Bucephala albeola), small, rapid-flying duck of the family Anatidae, which breeds in woodland ponds and bogs from Alaska and northern California east to Ontario. It winters along both coasts of North America. The bufflehead, at a length of about 33–39 cm (13–15.5 inches), is among the

  • Glaucium (plant)

    Horned poppy, (genus Glaucium), genus of approximately 25 species of plants of the poppy family (Papaveraceae), native to Eurasia and northern Africa. Horned poppies are often salt-tolerant and have been used to anchor beach sand. Some species are grown as ornamentals in beach gardens. Horned

  • Glaucium corniculatum (plant)

    horned poppy: The red horned poppy (G. corniculatum) from continental Europe is smaller and has crimson blooms often with black spots at the petal bases.

  • Glaucium flavum (plant)

    horned poppy: The yellow horned poppy (Glaucium flavum) is native to sea beaches of Great Britain and southern Europe and has become established in the eastern United States. Its slender seedpods are 30 cm (1 foot) long. The four-petaled yellow to orange flowers are borne on 30- to…

  • glaucochroite (mineral)

    Glaucochroite, manganese-rich variety of the mineral monticellite

  • glaucodot (mineral)

    arsenopyrite: …1:2 and 6:1 are called glaucodot (see also cobaltite). Weathering alters these sulfides to arsenates: arsenopyrite to scorodite, and glaucodot to erythrite. For detailed physical properties, see sulfide mineral (table).

  • glaucoma (pathology)

    Glaucoma, disease caused by an increase in pressure within the eye as a result of blockage of the flow of aqueous humour, a watery fluid produced by the ciliary body. (The ciliary body is a ring of tissue directly behind the outer rim of the iris; besides being the source of aqueous humour, it

  • Glaucomys (rodent)

    flying squirrel: Natural history: …seldom leave the trees, but North American flying squirrels (Glaucomys) regularly descend to the ground to forage and bury nuts. Depending upon the species, diets can include seeds, fruit, leaves, flower buds, nuts, fungi, lichens, pollen, ferns, tree

  • Glaucomys sabrinus (rodent)

    taiga: Mammals: …the North American taiga the northern flying squirrel (Glaucomys sabrinus) is adapted to consume fungi, especially underground fruiting bodies (sporocarps) of fungi that form mutually beneficial relationships (mutualism) with trees by colonizing their roots. The flying squirrel’s consumption and dispersal of these underground fungi provide a significant benefit to the…

  • glauconite (mineral)

    Glauconite, greenish ferric-iron silicate mineral with micaceous structure [(K, Na)(Fe3+,Al, Mg)2(Si, Al)4O10(ΟH)2], characteristically formed on submarine elevations ranging in depth from 30 to 1,000 metres (100 to 3,300 feet) below sea level. Glauconite is abundant only in sea-floor areas that

  • glaucophane (mineral)

    Glaucophane, common amphibole mineral, a sodium, magnesium, and aluminum silicate that occurs only in crystalline schists formed from sodium-rich rocks by low-grade metamorphism characteristic of subduction zones. Glaucophane typically occurs in folded rocks associated with blueschists. Both

  • glaucophane facies (geology)

    Glaucophane facies, one of the major divisions of the mineral facies classification of metamorphic rocks, the rocks of which, because of their peculiar mineralogy, suggest formation conditions of high pressure and relatively low temperature; such conditions are not typical of the normal geothermal

  • Glaucophyta (protist)

    protozoan: Annotated classification: Glaucophyta Found in fresh water. Contain blue-green plastids called cyanelles; between the 2 membranes surrounding cyanelles are remnants of cyanobacterial peptidoglycan. Motile cells have 2 flagella inserted subapically into a slight depression, and both flagella possess non-tubular hairs. Periplast of vesicles forms a cell covering…

  • glaucous gull (bird)

    gull: The glaucous gull (L. hyperboreus) is mostly white with pinkish legs and a yellow bill with a red spot. It inhabits northern seas, but sometimes it winters as far south as Hawaii and the Mediterranean. The great black-backed gull (L. marinus), with a wingspread of 1.6…

  • glaucous macaw (bird)

    macaw: …that small populations of the glaucous macaw (Anodorhynchus glaucus), which has been listed by the IUCN as a critically endangered species since 2000, continue to persist; the species was last observed in central South America in the 1960s, and several unconfirmed sightings of individuals have been reported since then.

  • Glaucus (son of Minos)

    Glaucus: Glaucus, the son of the Cretan king Minos and his wife Pasiphae, fell into a jar of honey, when a child, and was smothered. The seer Polyeidus finally discovered the child but on confessing his inability to restore him to life was shut up in…

  • Glaucus (Lycian prince)

    Glaucus: Glaucus, grandson of Bellerophon, was a Lycian prince who assisted Priam, king of Troy, in the Trojan War. When he found himself opposed in combat to his hereditary friend Diomedes, they ceased fighting and exchanged armour. Since the equipment of Glaucus was golden and that…

  • Glaucus (Greek mythology)

    Glaucus, (Greek: “Gleaming”) name of several figures in Greek mythology, the most important of whom were the following: Glaucus, surnamed Pontius, was a sea divinity. Originally a fisherman and diver of Boeotia, he once ate a magical herb and leaped into the sea, where he was changed into a god and

  • Glaucus atlanticus (gastropod)

    nudibranch: …in warm seas are the blue sea slug (Glaucus marina, or G. atlanticus) and the doridacean nudibranchs such as Doris and Glossodoris. See gastropod.

  • Glaucus marina (gastropod)

    nudibranch: …in warm seas are the blue sea slug (Glaucus marina, or G. atlanticus) and the doridacean nudibranchs such as Doris and Glossodoris. See gastropod.

  • Glaucus of Potniae (Greek mythology)

    Glaucus: Glaucus of Potniae near Thebes was the son of Sisyphus (king of Corinth) by his wife Merope and father of the hero Bellerophon. According to one legend, he fed his mares on human flesh and was torn to pieces by them.

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