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taste

(Encyclopedia)taste, response to chemical stimulation that enables an organism to detect flavors. In humans and most vertebrate animals, taste is produced by the stimulation by various substances of the taste buds ...

switch

(Encyclopedia)switch, electrical device having two states: on, or closed; and off, or open. Ideally a switch offers a zero impedance to a current when it is closed, and it offers infinite impedance when open. Mecha...

Sun Tzu

(Encyclopedia)Sun Tzu so͞on dzo͞o [key], fl. c.500–320. b.c., name used by the unknown Chinese authors of the sophisticated treatise on philosophy, logistics, espionage, and strategy and tactics known as The Ar...

Agrippa, Marcus Vipsanius

(Encyclopedia)Agrippa, Marcus Vipsanius əgrĭpˈə [key], c.63 b.c.–12 b.c., Roman general. A close friend of Octavian (later Emperor Augustus), he won a name in the wars in Gaul before becoming consul in 37 b....

Yorktown

(Encyclopedia)Yorktown, historic town (1990 pop. 270), seat of York co., SE Va., on the York River 10 mi (16 km) from its mouth on Chesapeake Bay; settled 1631, laid out 1691. It is included in the Colonial Nationa...

Bevin, Ernest

(Encyclopedia)Bevin, Ernest bĕvˈən [key], 1881–1951, British labor leader and statesman. An orphan who earned his own living from childhood, he began a long career as a trade union official when he became secr...

Brownell, Herbert, Jr.

(Encyclopedia)Brownell, Herbert, Jr. brounĕlˈ [key], 1904–96, U.S. attorney general (1953–57), b. Peru, Nebr. A lawyer in private practice in New York City (1927–53, 1957–89), he became active in the Repu...

Whitelaw of Penrith, William Stephen Ian Whitelaw, Viscount

(Encyclopedia)Whitelaw of Penrith, William Stephen Ian Whitelaw, Viscount, 1918–99, British politician. A Scottish landowner and cattle farmer, he was elected to Parliament as a Conservative in 1955 and served as...

apsis

(Encyclopedia)CE5 Apsis points, or apsides, in the earth's orbit: At perihelion the earth is closest to the sun and at aphelion it is farthest from the sun. apsis (pl. apsides), point in the orbit of a body whe...

Millais, Sir John Everett

(Encyclopedia)Millais, Sir John Everett mĭlāˈ [key], 1829–96, English painter. A prodigy, he began studying at the Royal Academy at the age of 11. In 1848, together with William Holman Hunt and Dante Gabriel R...