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electroconvulsive therapy

(Encyclopedia)electroconvulsive therapy in psychiatry, treatment of mood disorders by means of electricity; the broader term “shock therapy” also includes the use of chemical agents. The therapeutic possibiliti...

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...

East Saint Louis

(Encyclopedia)East Saint Louis lo͞oˈĭs [key], city (2020 pop. 25,377), St. Clair co., SW Ill., on the Mississippi ...

Conestoga wagon

(Encyclopedia)Conestoga wagon kŏnˌəstōˈgə [key], heavy freight-carrying vehicle of distinctive type that originated in the Conestoga region of Pennsylvania c.1725. It was used by farmers to carry heavy loads ...

Alexis, czar of Russia

(Encyclopedia)Alexis əlyĭksyāˈ mēkhīˈləvĭch [key], 1629–76, czar of Russia (1645–76), son and successor of Michael. His reign, marked by numerous popular outbreaks, was crucial for the later developmen...

cortisol

(Encyclopedia)cortisol kôrˈtĭsôlˌ [key] or hydrocortisone, steroid hormone that in humans is the major circulating hormone of the cortex, or outer layer, of the adrenal gland. Like cortisone, cortisol is class...

Constantinople, Second Council of

(Encyclopedia)Constantinople, Second Council of, 553, regarded generally as the fifth ecumenical council. It was convened by Byzantine Emperor Justinian I to settle the dispute known as the Three Chapters. In an at...

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...

abdication

(Encyclopedia)abdication, in a political sense, renunciation of high public office, usually by a monarch. Some abdications have been purely voluntary and resulted in no loss of prestige. For instance, Holy Roman Em...

entail

(Encyclopedia)entail, in law, restriction of inheritance to a limited class of descendants for at least several generations. The object of entail is to preserve large estates in land from the disintegration that is...