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Allah

(Encyclopedia)Allah ălˈə, äˈlə [key], [Arab.,=the God]. Derived from an old Semitic root refering to the Divine and used in the Canaanite El, the Mesopotamian ilu, and the biblical Elohim, the word Allah is u...

elegy

(Encyclopedia)elegy, in Greek and Roman poetry, a poem written in elegiac verse (i.e., couplets consisting of a hexameter line followed by a pentameter line). The form dates back to 7th cent. b.c. in Greece and poe...

Kerensky, Aleksandr Feodorovich

(Encyclopedia)Kerensky, Aleksandr Feodorovich kərĕnˈskē, Rus. əlyĭksänˈdər fyôˈdərəvĭch kâˈrĭnskē [key], 1881–1970, Russian revolutionary. A lawyer, he was elected to the fourth duma in 1912 as ...

Woonsocket

(Encyclopedia)Woonsocket wo͞onsŏkˈĭt, wo͝on– [key], city (1990 pop. 43,877), Providence co., N R.I., on both sides of the Blackstone River; settled c.1666, set off from Cumberland 1867, inc. as a city 1888. ...

Teller, Edward

(Encyclopedia)Teller, Edward, 1908–2003, American physicist, b. Budapest, Hungary, Ph.D. Univ. of Leipzig, 1930, where he studied under Werner Heisenberg. Fleeing the Nazis, he came to the United States in 1935 a...

uncertainty principle

(Encyclopedia)uncertainty principle, physical principle, enunciated by Werner Heisenberg in 1927, that places an absolute, theoretical limit on the combined accuracy of certain pairs of simultaneous, related measur...

Planck, Max

(Encyclopedia)Planck, Max mäks plängk [key], 1858–1947, German physicist. Seeking to explain the experimental spectrum (distribution of electromagnetic energy according to wavelength) of blackbody radiation, he...

McCulloch, Hugh

(Encyclopedia)McCulloch, Hugh məkŭlˈək [key], 1808–95, American financier and public official, b. Kennebunk, Maine. Educated at Bowdoin College, he studied law in Boston and practiced two years at Fort Wayne,...

Lane, James Henry

(Encyclopedia)Lane, James Henry, 1814–66, American politician, called the “liberator of Kansas.” He was probably born in Lawrenceburg, Ind., where he practiced law. Lane commanded an Indiana regiment in the M...

tensor

(Encyclopedia)tensor, in mathematics, quantity that depends linearly on several vector variables and that varies covariantly with respect to some variables and contravariantly with respect to others when the coordi...