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Machilipatnam

(Encyclopedia)Machilipatnam bŭnˈdər [key], city (1991 pop. 159,110), Andhra Pradesh state, E central India, a port on the Bay of Bengal. In the 17th cent. it was a center of French, British, and Dutch trade. It ...

Fullerton

(Encyclopedia)Fullerton, city (2020 pop. 143,617), Orange co., S Calif., SE of Los Angeles; founded 1887, inc. 1904. The city is named for George H. Fullerton, head o...

Iceland spar

(Encyclopedia)Iceland spar, colorless variety of crystallized calcite, characterized by its properties of transparency and double refraction. It is used chiefly in the manufacture of Nicol prisms, which are essenti...

Peabody

(Encyclopedia)Peabody pēˈbədē, –bädē [key], city (1990 pop. 47,039), Essex co., NE Mass., a suburb of Boston, on the Danvers River; settled c.1633, inc. as South Danvers 1855, name changed 1868. Little is l...

Uman

(Encyclopedia)Uman o͞omänˈ [key], city (1989 pop. 91,000), central Ukraine, at the confluence of the Kamenka and Umanka rivers. It is a rail junction and has plants producing scientific instruments. Mentioned in...

bow, in music

(Encyclopedia)bow bō [key], implement used in playing stringed instruments. Its name originated from the fact that in its early form it resembled an archer's bow, but by the 17th cent. the European bow had gradual...

Sloane, T(homas) O'Conor

(Encyclopedia)Sloane, T(homas) O'Conor, 1851–1940, American scientist, lecturer, writer, and periodical editor, Ph.D. Columbia, 1876. Sloane was a member of the editorial staff of the Scientific American, where h...

bronchoscope

(Encyclopedia)bronchoscope brŏngˈkəskōpˌ [key], long, tubular instrument with a light at the tip that is inserted through the windpipe and bronchial tubes to examine these structures. By passing other instrume...

Blaeu, Willem Janszoon

(Encyclopedia)Blaeu, Willem Janszoon vĭˈləm yänˈsōn blou [key], 1571–1638, Dutch cartographer and printer. He studied astronomy and instrument making under the Danish astronomer Tycho Brahe. The printing es...

palladium, chemical element

(Encyclopedia)palladium [Gr. Pallas, goddess of wisdom], metallic chemical element; symbol Pd; at. no. 46; at. wt. 106.42; m.p. 1,554℃; b.p. 2,970℃; sp. gr. 12.02 at 20℃; valence +2, +3, or +4. Palladium is a...