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Laplace, Pierre Simon, marquis de

(Encyclopedia)Laplace, Pierre Simon, marquis de pyĕr sēmôNˈ märkēˈ də läpläsˈ [key], 1749–1827, French astronomer and mathematician. At 18 he went to Paris, proved his gift for mathematical analysis to...

Larkin, Philip

(Encyclopedia)Larkin, Philip, 1922–85, English poet. He graduated from St. John's College, Oxford (B.A., 1943; M.A., 1947) and was for many years librarian at the Univ. of Hull. With an eye for the ordinary and a...

fallopian tube

(Encyclopedia)fallopian tube fəlōˈpēən [key], either of a pair of tubes extending from the uterus to the paired ovaries in the human female, also called oviducts, technically known as the uterine tube. At one ...

amendment

(Encyclopedia)amendment, in law, alteration of the provisions of a legal document. The term usually refers to the alteration of a statute or a constitution, but it is also applied in parliamentary law to proposed c...

equinox

(Encyclopedia)equinox ēˈkwĭnŏks [key], either of two points on the celestial sphere where the ecliptic and the celestial equator intersect. The vernal equinox, also known as “the first point of Aries,” is t...

Franzen, Jonathan

(Encyclopedia)Franzen, Jonathan, 1959–, American novelist, b. Western Springs, Ill., B.A. Swarthmore College, 1981. His first two novels, The Twenty-Seventh City (1988) and Strong Motion (1992), were well receive...

gas

(Encyclopedia)gas, in physics, one of the three commonly recognized states of matter, the other two being solid and liquid. A substance in the gaseous state has neither definite shape nor definite volume. Like liqu...

steering system

(Encyclopedia)steering system, in automobiles, steering wheel, gears, linkages, and other components used to control the direction of a vehicle's motion. Because of friction between the front tires and the road, es...

Brahe, Tycho

(Encyclopedia)Brahe, Tycho tīˈkō brä [key], 1546–1601, Danish astronomer. The most prominent astronomer of the late 16th cent., he paved the way for future discoveries by improving instruments and by his prec...

Peter III, czar of Russia

(Encyclopedia)Peter III, 1728–62, czar of Russia (1762), son of Charles Frederick, dispossessed duke of Holstein-Gottorp, and of Anna Petrovna, daughter of Peter the Great. He succeeded to the throne on the death...