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neutron star

(Encyclopedia)neutron star, extremely small, extremely dense star, with as much as double the sun's mass but only a few miles in radius, in the final stage of stellar evolution. Astronomers Baade and Zwicky predict...

axiom

(Encyclopedia)axiom, in mathematics and logic, general statement accepted without proof as the basis for logically deducing other statements (theorems). Examples of axioms used widely in mathematics are those relat...

Babel, Isaac Emmanuelovich

(Encyclopedia)Babel, Isaac Emmanuelovich ēˈsäk əmäno͞oāˈləvĭch bäˈbəl [key], 1894–1940, Russian writer, b. Odessa. Babel was quick to embrace the Bolshevik revolution of 1917, but in the end it was t...

peat

(Encyclopedia)peat, soil material consisting of partially decomposed organic matter, found mainly in swamps and bogs in various parts of the northern temperate zone but also in some semitropical and tropical region...

laxative

(Encyclopedia)laxative, drug or other substance used to stimulate the action of the intestines in eliminating waste from the body. The term laxative usually refers to a mild-acting substance; substances of increasi...

planetary science

(Encyclopedia)planetary science or planetology, study of planets and planetary systems as a whole. Planetary science applies the theories and methods of traditional disciplines such as astronomy, geology, physics, ...

Burroughs, William Seward

(Encyclopedia)Burroughs, William Seward, 1914–97, American novelist, b. St. Louis, grad. Harvard, 1936, moved to New York City, 1943. He was an elder member of the beat generation. Junkie (1953), originally publi...

Struve

(Encyclopedia)Struve shtro͞oˈvə [key], family of astronomers. Friedrich Georg Wilhelm von Struve, 1793–1864, was born in Germany but later lived in Russia. While director (1817–39) of Dorpat Observatory he w...

Sondheim, Stephen Joshua

(Encyclopedia)Sondheim, Stephen Joshua sôndˈhīm [key], 1930–2021, American composer and lyricist, b. New York City. ...

blasphemy

(Encyclopedia)blasphemy, in religion, words or actions that display irreverence toward or contempt for God or that which is held sacred. Blasphemy is regarded as an offense against the community to varying degrees,...