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geriatrics

(Encyclopedia)geriatrics jĕrēăˈtrĭks [key], the branch of medicine concerned with conditions and diseases of the aged. Many disabilities in old age are caused by or related to the deterioration of the circulat...

berkelium

(Encyclopedia)berkelium bûrˈklēəm [key] [from Berkeley], artificially produced radioactive chemical element; symbol Bk; at. no. 97; mass no. of most stable isotope 247; m.p. about 1,050℃; b.p. about 2,590℃;...

frigate

(Encyclopedia)frigate frĭgˈĭt [key], originally a long, narrow nautical vessel used on the Mediterranean, propelled by either oars or sail or both. Later, during the 18th and early 19th cent., the term was appli...

Irving, Edward

(Encyclopedia)Irving, Edward, 1792–1834, Scottish preacher, under whose influence the Catholic Apostolic Church was founded; its members have sometimes been called Irvingites. He was tutor to Jane Welsh, later th...

Christie, Dame Agatha

(Encyclopedia)Christie, Dame Agatha, 1890–1976, English detective story writer, b. Torquay, Devon, as Agatha Mary Clarissa Miller. Christie's second husband was the archaeologist Sir Max Mallowan, and she gained ...

Tyson, Cecily

(Encyclopedia) Tyson, Cecily, 1924-2021, American actress, b. East Harlem, N.Y. Of Caribbean heritage, Tyson began working as a model while studying acting in the la...

Rhys, Jean

(Encyclopedia)Rhys, Jean rēs [key], pseud. of Ella Gwendoline Rees Williams, 1894–1979, English novelist, b. Dominica. Her novels written in the 1930s mercilessly exploit her own emotional life, depicting pretty...

Ridley, Nicholas

(Encyclopedia)Ridley, Nicholas, c.1500–1555, English prelate, reformer, and Protestant martyr. In 1534, while a proctor of Cambridge, he signed the decree against the pope's supremacy in England. In 1537 he becam...

Davis, Bette

(Encyclopedia)Davis, Bette bĕtˈē [key], 1908–89, American film actress, b. Lowell, Mass., as Ruth Elizabeth Davis. One of the most durable stars of the American screen, she made her debut in 1931. With a strik...

Seymour of Sudeley, Thomas Seymour, Baron

(Encyclopedia)Seymour of Sudeley, Thomas Seymour, Baron, 1508?–1549, English nobleman. After the marriage (1536) of his sister Jane to Henry VIII, he served on various diplomatic missions, was in command of the E...