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Vygotsky, Lev Semyonovich
(Encyclopedia)Vygotsky, Lev Semyonovich, 1896–1934, Russian psychologist. His most productive years were at the Institute of Psychology in Moscow (1924–34), where he expanded his ideas on cognitive development,...Stegosaurus
(Encyclopedia)Stegosaurus stĕgəsôrˈəs [key] [Gr.,=roof lizard], quadriped ornithischian dinosaur of the late Jurassic period. About 29 ft 6 in (9 m) long, it had short forelegs, four long bony spikes on a flex...Lewis, Sir George Cornewall
(Encyclopedia)Lewis, Sir George Cornewall, 1806–63, English statesman and man of letters. Entering Parliament as a Liberal in 1847, he served as chancellor of exchequer (1855–58), home secretary (1859–61), an...sandstone
(Encyclopedia)sandstone, sedimentary rock formed by the cementing together of grains of sand. The usual cementing material in sandstone is calcium carbonate, iron oxides, or silica, and the hardness of sandstone va...infantry
(Encyclopedia)infantry, body of soldiers who fight in an army on foot and are equipped with hand-carried weapons, in contradistinction originally to cavalry and other branches of an army. Infantry has often been di...Black, Greene Vardiman
(Encyclopedia)Black, Greene Vardiman, 1836–1915, American dentist, b. Scott co., Ill. Professor at Chicago College of Dental Surgery (now part of Loyola Univ.) from 1883 to 1889 and professor (from 1891) and dean...Cannae
(Encyclopedia)Cannae kănˈē [key], ancient village, Apulia, SE Italy, scene in 216 b.c. of Hannibal's crushing defeat of the Romans. Hannibal's troops assumed a crescent-shaped formation to meet the Roman troops,...Camerarius, Rudolph Jacob
(Encyclopedia)Camerarius, Rudolph Jacob kămərârˈēəs, Ger. ro͞oˈdôlf yäˈkôp käməräˈrēo͝os [key], 1665–1721, German botanist and physician. The first to present a clear and definite picture of sex...Australopithecus
(Encyclopedia)Australopithecus ôstrāˌlōpĭthˈəkəs, –pəthēˈkəs [key], an extinct hominin genus found in Africa between about 4 and 1 million years ago. At least seven species of australopithecines are n...Casorati, Felice
(Encyclopedia)Casorati, Felice fālēˈchā käsōräˈtē [key], 1886–1963, Italian painter. Influenced by Beardsley and other English engravers, Casorati, together with Carrà, was involved in the symbolist mov...Browse by Subject
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