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smoking

(Encyclopedia)smoking, inhalation and exhalation of the fumes of burning tobacco in cigars and cigarettes and pipes; in the 21st cent., vaping, the similar use of e-cigarettes, also has become common. Some persons ...

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...

edema

(Encyclopedia)edema ĭdēˈmə [key], abnormal accumulation of fluid in the body tissues or in the body cavities causing swelling or distention of the affected parts. Edema of the ankles and lower legs (in ambulato...

de Klerk, F. W.

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

charter school

(Encyclopedia)charter school, alternative type of American public school that, while paid for by taxes, is independent of the public-school system and relatively free from state and local regulations. A charter sch...

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 ...

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...

IJsselmeer

(Encyclopedia)IJsselmeer īˈsəlmārˌ [key], shallow freshwater lake, NW Netherlands, bordering on the provinces of North Holland, Flevoland, and Friesland. It was formed from the old Zuider Zee by the constructi...

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...