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chloroplast
(Encyclopedia) chloroplastchloroplastklōrˈəplăstˌ, klôrˈ– [key], a complex, discrete green structure, or organelle, contained in the cytoplasm of plant cells. Chloroplasts are reponsible for the…ferrous sulfate
(Encyclopedia) ferrous sulfate or iron (II) sulfate, chemical compound, FeSO4. It is known as the monohydrate, FeSO4·H2O; the tetrahydrate, FeSO4·4H2O; the pentahydrate, FeSO4·5H2O; and the…Herrera, Carmen
(Encyclopedia) Herrera, Carmen, 1915–, Cuban-American abstract painter, b. Havana. After studying architecture at the Univ. of Havana (1938–39), she trained at the Art Students League, New York (1942…beryl
(Encyclopedia) berylberylbĕrˈĭl [key], mineral, a silicate of beryllium and aluminum, Be3Al2Si6O18, extremely hard, occurring in hexagonal crystals that may be of enormous size and are usually white…Yorke, Henry Vincent
(Encyclopedia) Yorke, Henry Vincent: see Green, Henry.Péguy, Charles
(Encyclopedia) Péguy, CharlesPéguy, Charlesshärl pāgēˈ [key], 1873–1914, French poet and writer. Of a poor, working family, he won scholarships and made a brilliant record as a student. He left the…parakeet
(Encyclopedia) parakeet or parrakeet, common name for a widespread group of small parrots, native to the Indo-Malayan region and popular as cage birds. Parakeets have long, pointed tails, unlike the…Allende, Isabel
(Encyclopedia) Allende, Isabel, 1942–, Chilean novelist. Since the 1973 coup in which her cousin, President Salvador Allende Gossens, died, Isabel Allende, who is among the most notable contemporary…sepal
(Encyclopedia) sepal, a modified leaf, part of the outermost of the four groups of flower parts. The sepals of a flower are collectively called the calyx and act as a protective covering of the inner…liverwort
(Encyclopedia) liverwort, any plant of the class Marchantiopsida. Mosses and liverworts together comprise the division Bryophyta, primitive green land plants (see moss; plant); some of the earliest…Trending
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