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space-time

(Encyclopedia)space-time, central concept in the theory of relativity that replaces the earlier concepts of space and time as separate absolute entities. In relativity one cannot uniquely distinguish space and time...

Bergson, Henri

(Encyclopedia)Bergson, Henri äNrēˈ bĕrgsôNˈ [key], 1859–1941, French philosopher. He became a professor at the Collège de France in 1900, devoted some time to politics, and, after World War I, took an inte...

determinism

(Encyclopedia)determinism, philosophical thesis that every event is the inevitable result of antecedent causes. Applied to ethics and psychology, determinism usually involves a denial of free will, although many ph...

censorship

(Encyclopedia)censorship, official prohibition or restriction of any type of expression believed to threaten the political, social, or moral order. It may be imposed by governmental authority, local or national, by...

probate

(Encyclopedia)probate prōˈbāt [key], in law, the certification by a court that a will is valid. Probate, which is governed by various statutes in the several states of the United States, is required before the w...

Green, Thomas Hill

(Encyclopedia)Green, Thomas Hill, 1836–82, English idealist philosopher. Educated at Oxford, he was associated with the university all his life. He was professor of moral philosophy there from 1878 until his deat...

radioactive waste

(Encyclopedia)radioactive waste, material containing the unusable radioactive byproducts of the scientific, military, and industrial applications of nuclear energy. Since its radioactivity presents a serious health...

executors and administrators

(Encyclopedia)executors and administrators. An executor is the person designated in the will of a deceased person to carry out the provisions of the will. An administrator is the person appointed by a probate court...

Frankfurter, Felix

(Encyclopedia)Frankfurter, Felix, 1882–1965, American jurist, associate justice of the U.S. Supreme Court (1939–62), b. Vienna, Austria. He emigrated to the United States as a boy and later received (1906) his ...

Philo

(Encyclopedia)Philo jo͞odēˈəs [key] [Lat.,=Philo the Jew], c.20 b.c.–c.a.d. 50, Alexandrian Jewish philosopher. His writings have had an enormous influence on both Jewish and Christian thought, and particular...