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hysterectomy

(Encyclopedia) hysterectomyhysterectomyhĭstərĕkˈtəmē [key], surgical removal of the uterus. A hysterectomy may involve removal of the uterus only or additional removal of the cervix (base of the…

Angelou, Maya

(Encyclopedia) Angelou, MayaAngelou, Mayamīˈə ănˈjəl&oomacr; [key], 1928–2014, African-American writer and performer, b. St. Louis, Mo., as Marguerite Johnson. She toured Europe and Africa in the…

rhythm, biological

(Encyclopedia) rhythm, biological, or biorhythm, cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical…

Salt Lake City

(Encyclopedia) Salt Lake City, city (1990 pop. 159,936), alt. c.4,330 ft (1,320 m), state capital and seat of Salt Lake co., N central Utah, on the Jordan River and near the Great Salt Lake, at the…

olive oil

(Encyclopedia) olive oil, pale yellow to greenish oil obtained from the pulp of olives by separating the liquids from solids. Olive oil was used in the ancient world for lighting, in the preparation…

Somare, Sir Michael Thomas

(Encyclopedia) Somare, Sir Michael Thomas Somare, Sir Michael Thomas sōmäˈrā [key], 1936–2021, Papua New Guinea…

trypanosome

(Encyclopedia) trypanosometrypanosometrĭpˈənəsōmˌ [key], microscopic, one-celled protozoan of the genus Trypanosoma, typically living as an active parasite in the bloodstream of a vertebrate;…

emphysema

(Encyclopedia) emphysemaemphysemaĕmfĭsēˈmə [key], pathological or physiological enlargement or overdistention of the air sacs of the lungs. A major cause of pulmonary insufficiency in chronic…

Flaubert, Gustave

(Encyclopedia) Flaubert, GustaveFlaubert, Gustavegüstävˈ flōbĕrˈ [key], 1821–80, French novelist, regarded as one of the supreme masters of the realistic novel. He was a scrupulous, slow writer,…

Four-H

(Encyclopedia) Four-H or 4-H, organization for boys and girls, generally from 8 to 18 years of age; some states offer programs for younger children, and there are also collegiate programs. 4-H…