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de Klerk, F. W.

(Encyclopedia)de Klerk, F. W. (Frederik Willem de Klerk) frĕdˈərĭk vĭlˈəm də klûrkˈ ...

digitalis

(Encyclopedia)digitalis dĭjˌĭtălˈĭs [key], any of several chemically similar drugs used primarily to increase the force and rate of heart contractions, especially in damaged heart muscle. The effects of the d...

fainting

(Encyclopedia)fainting or syncope sĭngˈkəpē [key], temporary loss of consciousness caused by an insufficient supply of oxygen to the brain. It can be concurrent with any serious disease or condition, such as he...

Federal Deposit Insurance Corporation

(Encyclopedia)Federal Deposit Insurance Corporation (FDIC), an independent U.S. federal executive agency designed to promote public confidence in banks and to provide insurance coverage for bank deposits up to $250...

grapefruit

(Encyclopedia)grapefruit, pomelo pumˈməlō [key], citrus fruit (Citrus paradisi) of the family Rutaceae (orange family). The grapefruit is so named because it grows in grapelike bunches. The large globular fruit...

evaporation

(Encyclopedia)evaporation, change of a liquid into vapor at any temperature below its boiling point. For example, water, when placed in a shallow open container exposed to air, gradually disappears, evaporating at ...

transpiration

(Encyclopedia)transpiration, in botany, the loss of water by evaporation in terrestrial plants. Some evaporation occurs directly through the exposed walls of surface cells, but the greatest amount takes place throu...

Balkan Wars

(Encyclopedia)Balkan Wars, 1912–13, two short wars, fought for the possession of the European territories of the Ottoman Empire. The outbreak of the Italo-Turkish War for the possession of Tripoli (1911) encourag...

Galerius

(Encyclopedia)Galerius (Caius Galerius Valerius Maximinianus) gəlērˈēəs [key], d. 310, Roman emperor (305–10). Diocletian appointed him caesar for the eastern part of the empire in 293 (Constantius I was cae...

antidepressant

(Encyclopedia)antidepressant, any of a wide range of drugs used to treat psychic depression. They are given to elevate mood, counter suicidal thoughts, and increase the effectiveness of psychotherapy. Before the in...