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violet
(Encyclopedia)violet, common name for some members of the Violaceae, a family of chiefly perennial herbs (and sometimes shrubs, small trees, or climbers) found on all continents. Violets, including the genus Viola ...dogtooth violet
(Encyclopedia)dogtooth violet, originally a name for the Old World plant Erythronium denscanis, now applied also to several North American species of the same genus of the family Liliaceae (lily family). The most c...African violet
(Encyclopedia)African violet: see gesneria.Robinson, Joan Violet
(Encyclopedia)Robinson, Joan Violet, 1903–83, British economist, b. Surrey, England. A socialist, she worked with Keynes and taught at Cambridge (1931–71). Her treatise, The Economics of Imperfect Competition (...pansy
(Encyclopedia)pansy: see violet.Johnny-jump-up
(Encyclopedia)Johnny-jump-up: see violet.state flowers
(Encyclopedia)state flowers. Each state of the United States has designated, usually by legislative action, one flower as its floral emblem; the rose has been designated by Congress as the national flower of the Un...Gram's stain
(Encyclopedia)Gram's stain, laboratory staining technique that distinguishes between two groups of bacteria by the identification of differences in the structure of their cell walls. The Gram stain, named after its...Colonial Heights
(Encyclopedia)Colonial Heights, city (2020 pop. 18,170), in, but independent of, Chesterfield co., SE Va.; inc. as a city 1948. Chemicals, metal products, and whiskey...Willstätter, Richard
(Encyclopedia)Willstätter, Richard rĭkhˈärt vĭlˈshtĕtər [key], 1872–1942, German chemist. He was professor at the Kaiser Wilhelm Institute of Chemistry, Berlin (1912–16), and at the Univ. of Munich (191...Browse by Subject
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