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thermionic emission

(Encyclopedia)thermionic emission thûrmˌīŏnˈĭk [key], emission of electrons or ions by substances that are highly heated, the charged particles being called thermions. The number of thermions emitted increase...

Ptolemy XII

(Encyclopedia)Ptolemy XII (Ptolemy Auletes) ôlēˈtēz [key], d. 51 b.c., king of ancient Egypt (80–58 b.c., 55–51 b.c.), of the Macedonian dynasty, illegitimate son of Ptolemy IX. He is also called Ptolemy Ne...

Rich, Adrienne

(Encyclopedia)Rich, Adrienne, 1929–2012, American poet, b. Baltimore, grad. Radcliffe, 1951. From the 1970s her exquisitely wrought verse became looser and more personal as her works increasingly reflected femini...

noddy

(Encyclopedia)noddy, tropical tern including five species in the genus Anous. The name noddy is said to derive from their easy familiarity with man. Noddies are web-footed seabirds with long wings (though shorter t...

wolverine

(Encyclopedia)wolverine or glutton, largest member of the weasel family, Gulo gulo, found in the northern parts of North America and Eurasia, usually in high mountains near the timberline or in tundra. It is a heav...

taboo

(Encyclopedia)taboo or tabu both: tăbo͞oˈ, tə– [key], prohibition of an act or the use of an object or word under pain of punishment. Originally a Polynesian word, taboo can apply to the sacred or consecrated...

tachinid fly

(Encyclopedia)tachinid fly tăkˈənĭd [key], common name for any of the flies of the family Tachinidae, which parasitize caterpillars, beetles, grasshoppers, and other insects. Tachinid flies are generally small ...

testis

(Encyclopedia)testis tĕsˈtĭkəl [key], one of a pair of glands that produce the male reproductive cells, or sperm. In fetal life the testes develop in the abdomen, then descend into an external sac, the scrotum....

Cambridge, city, England

(Encyclopedia)Cambridge, city and district, Cambridgeshire, E central England, on the River Cam. The city, set in flat country, is most famous as the site of the Univ...

Bennett, Naftali

(Encyclopedia) Bennett, Naftali, 1972-, Israeli politician and prime minister (2021-), b. Haifa. The son of American immigrant parents, Naftali served in the Israeli ...