Columbia Encyclopedia

Search results

500 results found

protease inhibitor

(Encyclopedia)protease inhibitor prōˈtē-āsˌ [key], any of a class of drugs that interfere with replication of the AIDS virus (HIV), by blocking an enzyme (protease) necessary in the late stages of its reproduc...

Puri

(Encyclopedia)Puri po͞oˈrē [key], town (1991 pop. 125,199), Odisha (Orissa) state, E central India, on the Bay of Bengal. The life of the town centers around the cult of Juggernaut (Jagannath), a form of the Kri...

Panizzi, Sir Anthony

(Encyclopedia)Panizzi, Sir Anthony pänētˈsē [key], 1797–1879, British librarian, b. Italy. A political exile, Panizzi settled in England in 1823 and was naturalized in 1832. He was associated with the British...

annexation

(Encyclopedia)annexation, in international law, formal act by which a state asserts its sovereignty over a territory previously outside its jurisdiction. Many kinds of territory have been subject to annexation, chi...

International Civil Aviation Organization

(Encyclopedia)International Civil Aviation Organization (ICAO), specialized agency of the United Nations, organized in 1947, with headquarters at Montreal. The objective of the ICAO, which has 190 member nations, i...

Dyer, Eliphalet

(Encyclopedia)Dyer, Eliphalet əlĭfˈəlĭtˌ [key], 1721–1807, American jurist, b. Windham, Conn. After serving in the state legislature for several years, Dyer took part in the French and Indian Wars and later...

electrolyte

(Encyclopedia)electrolyte ĭlĕkˈtrəlītˌ [key], electrical conductor in which current is carried by ions rather than by free electrons (as in a metal). Electrolytes include water solutions of acids, bases, or s...

Hazare, Anna

(Encyclopedia)Hazare, Anna, 1937–, Indian social activist, b. Kisan Baburao Hazare. He served (1963–75) in the army then, inspired by the teachings of Vivekananda, devoted himself to social causes. Promoting wa...

Johnson, Jack

(Encyclopedia)Johnson, Jack (John Arthur Johnson), 1878–1946, American boxer, b. Galveston, Tex., the son of two ex-slaves. Emerging from the battle royals (dehumanizing fights between blacks for the amusement of...

stamp tax

(Encyclopedia)stamp tax, method of collecting duties on certain transactions by means of a validating stamp attached to the taxable instrument, which may be a judicial act, a commercial document, a transfer of prop...