(Encyclopedia) will, in philosophy and psychology, term used to describe that which is alleged to stimulate the motivation of purposeful activity. It is characteristic of the will that it can be…
(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,…
(Encyclopedia) probateprobateprōˈbāt [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…
(Encyclopedia) radioactive waste, material containing the unusable radioactive byproducts of the scientific, military, and industrial applications of nuclear energy. Since its radioactivity presents…
(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…
(Encyclopedia) rouletterouletter&oomacr;lĕtˈ [key], game of chance popular in gambling casinos, and in a simplified form elsewhere. In gambling houses the roulette wheel is set in an oblong table…
(Encyclopedia) Archimedes' principle, principle that states that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid. The principle applies to both floating…
(Encyclopedia) electroscope, device for detecting electric charge invented by Nollet in 1748. There are various types of electroscopes. The most common has a cylindrical metal case closed by two…
(Encyclopedia) Schopenhauer, ArthurSchopenhauer, Arthurärˈt&oobreve;r shōˈpənhouˌər [key], 1788–1860, German philosopher, b. Danzig (now Gdansk). The bias of his own temperament and experience…
(Encyclopedia) Joel, prophetic book of the Bible. It is a collection of the oracles of an otherwise unknown prophet, dated variously from the 9th to the 3d cent. b.c., though a date in c.400 b.c. is…