Columbia Encyclopedia

(Encyclopedia) Roa, Raúl (Raúl Roa García) räo͞olˈ rōˈä [key], 1907–82, Cuban minister of foreign affairs (1959–76). A lawyer, he was also a university professor in the 1940s and 1950s. He wrote prolifi...

(Encyclopedia) Speusippus spyo͞osĭpˈəs [key], fl. 347–339 b.c., Greek philosopher; disciple and nephew of Plato, whom he succeeded as head of the Academy. Speusippus distinguished 10 grades of being, thereby p...

(Encyclopedia) Gildersleeve, Virginia Crocheron, 1877–1965, American educator, b. New York City, grad. Columbia (B.A., Barnard, 1899; Ph.D., 1908). She was professor of English at Barnard from 1900 to 1911, when s...

(Encyclopedia) cockle, common name applied to the heart-shaped, jumping or leaping marine bivalve mollusks, belonging to the order Eulamellibranchia. The brittle shells are of uniform size, are obliquely spherical, ...

(Encyclopedia) Zoroastrianism zôˌrōăsˈtrēənĭzəm [key], religion founded by Zoroaster, but with many later accretions. The religion's priests, successors to the pre-Zoroastrian Magi, acquired great power b...

(Encyclopedia) Lipton, Sir Thomas Johnstone, 1850–1931, Scottish merchant and yachting enthusiast. After spending several years in the United States he returned (1869) to his native Glasgow and opened a small groc...

(Encyclopedia) mullet, blunt-nosed, tropical and temperate water fishes of the family Mugilidae, found worldwide. Small schools of mullets frequent shallow waters, feeding on aquatic plants and on mud, which is grou...

(Encyclopedia) malachite mălˈəkīt [key], a mineral, the green basic carbonate of copper occurring in crystals of the monoclinic system or (more usually) in masses. It is translucent or opaque; the luster is silk...

(Encyclopedia) lake dwelling, prehistoric habitation built over the shallow waters of a lake shore or a marsh, usually erected on pile-supported platforms, but sometimes on artificial islands or mounds. Such a site ...

(Encyclopedia) Larra, Mariano José de märyäˈnō hōsāˈ ᵺā läˈrä [key], 1809–37, Spanish satirist, b. Madrid. Using several pseudonyms, Larra wrote a series of satirical articles on Spanish politics and...