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iritis

(Encyclopedia)iritis īrīˈtĭs [key], inflammation of the iris, the pigmented portion of the eye surrounding the pupil. The condition is sometimes associated with diabetes, with rheumatic diseases such as rheumat...

schist

(Encyclopedia)schist shĭst [key], metamorphic rock having a foliated, or plated, structure called schistosity in which the component flaky minerals are visible to the naked eye. Schists are distinguished from the ...

Graeae

(Encyclopedia)Graeae or Graiae both: grēˈī [key], in Greek mythology, daughters of Ceto and Phorcus, called Deino, Enyo, and Pemphredo. The personifications of old age, they were born with gray hair and only one...

body language

(Encyclopedia)body language, nonverbal communication by means of facial expessions, eye behavior, gestures, posture, and the like. Body language expresses emotions, feelings, and attitudes, sometimes even contradic...

Mulholland, John

(Encyclopedia)Mulholland, John mŭlˈhŏlˌənd [key], 1898–1970, American magician, b. Chicago, Ill. Mulholland came to be one of the most celebrated of stage performers of magic. Among his written works are Qui...

Sitapur

(Encyclopedia)Sitapur sēˈtäpo͞or [key], town (1991 pop. 121,842), Uttar Pradesh state, N central India. The town is a market for grain, oilseed, and jute. The sugar and plywood industries are important. There i...

Greb, Harry

(Encyclopedia)Greb, Harry, 1894–1926, American boxer, b. Pittsburgh. Although blind in one eye, Greb was one of the most feared fighters in American ring history. He was a natural middleweight, but fought light h...

Bataille, Georges

(Encyclopedia)Bataille, Georges jôrj bətī, –bätī [key], 1897–1962, French writer. Bataille was the founding editor of the journal Critique (1946). Strongly influenced by Nietzsche, he focuses on extreme st...

cryosurgery

(Encyclopedia)cryosurgery krīˈōsrˌjərē [key], bloodless surgical technique using a supercooled probe to destroy diseased or superfluous tissue. Liquid nitrogen circulating through the instrument cools it to t...

Airy, Sir George Biddell

(Encyclopedia)Airy, Sir George Biddell, 1801–92, English astronomer. The son of a poor farmer, he distinguished himself as Senior Wrangler at Cambridge, where he was elected fellow of Trinity College (1824) and a...