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sleep apnea

(Encyclopedia) sleep apnea, episodes of interrupted breathing during sleep. Obstructive sleep apnea is a common disorder in which relaxation of muscles in the throat repeatedly close off the airway…

profit

(Encyclopedia) profit, in economics, return on capital, also called earnings, minus the costs of maintaining land, labor, and capital. It is also known as net income. Economic theorists generally…

triforium

(Encyclopedia) triforiumtriforiumtrīfôrˈēəm [key], in church architecture, an arcaded gallery above the arches of the nave. In the interiors of medieval churches each bay of the nave wall customarily…

Ewing, William Maurice

(Encyclopedia) Ewing, William Maurice, 1906–74, American oceanographer and geologist, b. Lackney, Tex., grad. Rice Institute, now Rice Univ. (B.S., 1926; M.A., 1927; Ph.D., 1931). He taught physics…

Fraunces, Samuel

(Encyclopedia) Fraunces, SamuelFraunces, Samuelfrônˈsĭs [key], c.1722–95, American innkeeper, proprietor of the historic Fraunces Tavern in New York City. This building at the corner of Broad and…

Calgary

(Encyclopedia) Calgary Calgary kălˈgərē [key], city (2020 pop. 1,239,220), S Alta., Canada, at the confluence of…

canary

(Encyclopedia) canarycanarykənârˈē [key], common name for a familiar cage bird of the family Ploceidae (Old World finch family), descended from either the wild serin finch or from the very similar…

Wilmot Proviso

(Encyclopedia) Wilmot Proviso, 1846, amendment to a bill put before the U.S. House of Representatives during the Mexican War; it provided an appropriation of $2 million to enable President Polk to…

bongo

(Encyclopedia) bongobongobŏngˈgō [key], spiral-horned antelope, Tragelaphus eurycerus, found in jungles and thick bamboo forests of equatorial Africa. Shy, elusive animals, bongos never emerge into…

Bounty, British naval vessel

(Encyclopedia) Bounty, British naval vessel, a 220-ton (200-metric-ton), 85-ft (26-m) cutter, commanded by William Bligh. She set sail for the Pacific in Dec., 1787, to transport breadfruit trees…