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indigo
(Encyclopedia)indigo [Span.; from Lat.,=Indian], important blue dyestuff used in printing inks and for vat dyeing of cotton (see dye). It was anciently produced in India and was known in Egypt, probably c.1600 b.c....indigo bunting
(Encyclopedia)indigo bunting or indigo bird: see bunting. ...indigo snake
(Encyclopedia)indigo snake: see racer.woad
(Encyclopedia)woad, name for a perennial plant (Isatis tinctoria) of the family Cruciferae (or Brassicaceae; mustard family) and for a blue dye obtained from its leaves. The plant is believed to be native to S Russ...dye
(Encyclopedia)dye, any substance, natural or synthetic, used to color various materials, especially textiles, leather, and food. Natural dyes are so called because they are obtained from plants (e.g., alizarin, cat...Baeyer, Adolf von
(Encyclopedia)Baeyer, Adolf von (Johann Friedrich Wilhelm Adolf von Baeyer) äˈdôlf fən bāˈyər; yōhänˈ frēˈdrĭkh vĭlˈhĕlm [key], 1835–1917, German chemist. He taught at Berlin and Strasbourg and in...bunting
(Encyclopedia)bunting, common name for small, plump birds of the family Fringillidae (finch family). Among the American buntings are the indigo bunting, in which the summer plumage of the male reflects sunlight as ...Georgetown, cities, United States
(Encyclopedia)Georgetown. 1 Town (2020 pop. 37,086), Scott co., N central Ky., in the bluegrass country; settled 1776, inc. 1790. In a rich agricultural, ...aniline
(Encyclopedia)aniline ănˈəlĭn [key], C6H5NH2, colorless, oily, basic liquid organic compound; chemically, a primary aromatic amine whose molecule is formed by replacing one hydrogen atom of a benzene molecule w...racer
(Encyclopedia)racer, name for several related swift, slender snakes, especially those of the genus Coluber. All of the racers are nonpoisonous, nonconstricting, day-active snakes. The black racer, C. constrictor, i...Browse by Subject
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