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Wheatstone, Sir Charles

(Encyclopedia)Wheatstone, Sir Charles hwētˈstōn, –stən [key], 1802–75, English physicist and inventor. He was professor at King's College, London, from 1834. A pioneer in telegraphy, he was coinventor with ...

Soulages, Pierre

(Encyclopedia)Soulages, Pierre, 1919–, French abstract painter. Largely self-taught, he has been influenced by the carved prehistoric standing stones, Romanesque sculptures, and other art found where he was raise...

soft-coated wheaten terrier

(Encyclopedia)soft-coated wheaten terrier, breed of medium-sized dog developed and perfected in Ireland. It stands from 17 to 19 in. (43.1–48.3 cm) high at the shoulder and weighs from 30 to 45 lb (13.6–20.4 kg...

Purkinje, Johannes Evangelista

(Encyclopedia)Purkinje, Johannes Evangelista yōhänˈəs āˌväng-gālĭsˈtä po͝orˈkĭnyā [key], 1787–1869, Czech physiologist. While professor (1823–50) at the Univ. of Breslau he pioneered in establish...

Biot, Jean Baptiste

(Encyclopedia)Biot, Jean Baptiste zhäN bätēstˈ byō [key], 1774–1862, French physicist, grad. École Polytechnique (1797). He taught mathematics at Beauvais before becoming (1800) professor of mathematical ph...

silky terrier

(Encyclopedia)silky terrier, breed of agile, spirited toy dog originated in Australia in the early 20th cent. It stands about 10 in. (25 cm) high at the shoulder and weighs from 8 to 10 lb (3.6.–4.5 kg). Its silk...

cuttlefish

(Encyclopedia)cuttlefish, common name applied to cephalopod mollusks that have 10 tentacles, or arms, 8 of which have muscular suction cups on their inner surface and 2 that are longer and can shoot out for graspin...

feldspar

(Encyclopedia)feldspar fĕlˈspär [key], an abundant group of rock-forming minerals which constitute 60% of the earth's crust. Chemically the feldspars are silicates of aluminum, containing sodium, potassium, iron...

Grünewald, Mathias

(Encyclopedia)Grünewald, Mathias mätēˈäs grünˈəvält [key], c.1475–1528, German painter of religious subjects. His original name was Mathis Gothart Neithart. Although he assimilated various compositional ...

Jones, Quincy

(Encyclopedia)Jones, Quincy (Quincy Delight Jones, Jr.), 1933–, African-American musician, composer, bandleader, and music executive, b. Chicago. Jones played trumpet and sang gospel growing up, and studied brief...