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Amin, Idi

(Encyclopedia)Amin, Idi ēˈdē amēnˈ [key], c.1925–2003, Ugandan army officer and dictator. From the small Kakwa ethnic group, he advanced in the Ugandan armed forces from private (1946) to major general (1968...

angry young men

(Encyclopedia)angry young men, term applied to a group of English writers of the 1950s whose heroes share certain rebellious and critical attitudes toward society. This phrase, which was originally taken from the t...

Kidd, William

(Encyclopedia)Kidd, William, 1645?–1701, British privateer and pirate, known as Captain Kidd. He went to sea in his youth and later settled in New York, where he married and owned property. In 1691 he was rewarde...

standard time

(Encyclopedia)standard time, civil time used within a given time zone. The earth is divided into 24 time zones, each of which is about 15° of longitude wide and corresponds to one hour of time. Within a zone all c...

Luria, Salvador Edward

(Encyclopedia)Luria, Salvador Edward, 1912–1991, American physician, b. Turin, Italy, M.D., Univ. of Turin, 1935. He conducted research and taught at the Institute of Radium in Paris (1938–40), Columbia (1940�...

Muller, Hermann Joseph

(Encyclopedia)Muller, Hermann Joseph mŭlˈər [key], 1890–1967, American geneticist and educator, b. New York City, grad. Columbia (B.A., 1910; Ph.D., 1916). A student of Thomas Hunt Morgan, he taught (1915–18...

magnetic resonance imaging

(Encyclopedia)magnetic resonance imaging (MRI), noninvasive diagnostic technique that uses nuclear magnetic resonance to produce cross-sectional images of organs and other internal body structures. The patient lies...

second

(Encyclopedia)second, abbr. sec or s, fundamental unit of time in all systems of measurement. In practical terms, the second is 1/60 of a minute, 1/3,600 of an hour, or 1/86,400 of a day. Since the length of the da...

polycythemia

(Encyclopedia)polycythemia pŏlˌēsīthēˈmēə [key], condition characterized by an increase in the production of red blood cells, or erythrocytes, in the blood. Primary polycythemia, also called erythremia, or ...

psoriasis

(Encyclopedia)psoriasis sôrīˈəsĭs [key], occasionally acute but usually chronic and recurrent inflammation of the skin. The exact cause is unknown, but the disease appears to be an inherited, possibly autoimmu...