Columbia Encyclopedia

(Encyclopedia) butter-and-eggs, common name for a plant of the family Scrophulariaceae (figwort family) and sometimes for other yellow-and-orange flowers. Butter-and-eggs plants are classified in the division Magnol...

(Encyclopedia) acids and bases, two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Another theory that provides a very broad ...

(Encyclopedia) Blues and Greens, political factions in the Byzantine Empire in the 6th cent. They took their names from two of the four colors worn by the circus charioteers. Their clashes were intensified by religi...

(Encyclopedia) Harmodius and Aristogiton härmōˈdēəs, ârˌĭstōjīˈtən [key], d. c.514 b.c., Athenian tyrannicides. Provoked by a personal quarrel, the two friends planned to assassinate Hipparchus and his b...

(Encyclopedia)  CE5 Polyp and medusa stages in the life cycle of Obelia, representative of the phylum Cnidaria polyp and medusa, names for the two body forms, one nonmotile and one typically free swimming, found ...

(Encyclopedia) Masters and Johnson, pioneering research team in the field of human sexuality, consisting of the gynecologist William Howell Masters, 1915–2001, b. Cleveland, and the psychologist Virginia Eshelman ...

(Encyclopedia) lock and key, fastening fitted to an entryway, such as a gate or door, or a container, such as a cabinet, drawer or safe, to keep it closed and/or prevent unauthorized access or use. Locks typically c...

(Encyclopedia) Bolshevism and Menshevism bōlˈshəvĭzəm, bŏlˈ–, mĕnˈshəvĭzəm [key], the two main branches of Russian socialism from 1903 until the consolidation of the Bolshevik dictatorship under Lenin ...

(Encyclopedia) Caterham and Warlingham kāˈtərəm, wôrˈlĭng-əm [key], town, Surrey, SE England...

(Encyclopedia) Tristram and Isolde trĭsˈtrəm, ĭsōlˈdə, ĭzōlˈ– [key], medieval romance. The earliest extant version (incomplete) was written (c.1185) by Thomas of Britain in Anglo-Norman French verse. Abo...