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albedo
(Encyclopedia)albedo ălbēˈdō [key], reflectivity of the surface of a planet, moon, asteroid, or other celestial body that does not shine by its own light. Albedo is measured as the fraction of incident light th...Glackens, William James
(Encyclopedia)Glackens, William James, 1870–1938, American landscape and genre painter and illustrator, b. Philadelphia. An illustrator for Philadelphia and New York City newspapers and magazines for many years, ...litmus
(Encyclopedia)litmus, organic dye usually used in the laboratory as an indicator of acidity or alkalinity (see acids and bases). Naturally pink in color, it turns blue in alkali solutions and red in acids. Commonly...Millin, Sarah Gertrude (Liebson)
(Encyclopedia)Millin, Sarah Gertrude (Liebson), 1889–1968, South African writer. The first of her novels about colonial and racial problems in South Africa is Dark River (1920). Later novels include God's Stepchi...dodo, extinct bird
(Encyclopedia)dodo, a flightless forest-dwelling bird of Mauritius, extinct since the late 17th cent. The dodo was closely related to the Rodrigues solitaire, extinct flightless giant found on another island in the...laburnum
(Encyclopedia)laburnum ləbûrˈnəm [key] or golden chain, small tree (Laburnum anagyroides) of the family Leguminosae (pulse family) with decorative dark green leaves and sprays of bright yellow flowers. It is na...alizarin
(Encyclopedia)alizarin əlĭzˈərĭn [key], or 1,2-dihydroxyanthraquinone, mordant vegetable dye obtained originally from the root of the madder plant (Rubia tinctorum), in which it occurs as a glucoside. The term...Strand, Mark
(Encyclopedia)Strand, Mark, 1934–2014, American poet, b. Prince Edward Island, Canada, grad. Antioch College (B.A., 1957), Yale (B.F.A., 1959), Iowa Writers' Workshop (M.A., 1962). Meditative and death-haunted, h...sublimation, in chemistry
(Encyclopedia)sublimation sŭblĭmāˈshən [key], change of a solid substance directly to a vapor without first passing through the liquid state. The term is also used to describe the reverse process of the gas ch...trillium
(Encyclopedia)trillium or wake-robin trĭlˈēəm [key], any plant of the large genus Trillium, attractive spring wildflowers of the family Liliaceae (lily family), native to North America and E Asia. The leaves, p...Browse by Subject
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