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neuralgia

(Encyclopedia) neuralgianeuralgian&oobreve;rălˈjə, ny&oobreve;– [key], acute paroxysmal pain along a peripheral sensory nerve. Unlike neuritis, there is no inflammation or degeneration of…

jay

(Encyclopedia) jay, common name for a number of birds of the family Corvidae (crows and jays), found in Europe, Asia, and the Americas. The best-known representatives in America are the blue jay,…

exclusion principle

(Encyclopedia) exclusion principle, physical principle enunciated by Wolfgang Pauli in 1925 stating that no two electrons in an atom can occupy the same energy state simultaneously. The energy states…

francium

(Encyclopedia) franciumfranciumfrănˈsēəm [key] [from France], radioactive chemical element; symbol Fr; at. no. 87; mass no. of most stable isotope 223; m.p. about 27℃ (estimated); b.p. 677℃ (…

Three Mile Island

(Encyclopedia) Three Mile Island, site of a nuclear power plant 10 mi (16 km) south of Harrisburg, Pa. On Mar. 28, 1979, failure of the cooling system of the No. 2 nuclear reactor led to overheating…

kinetic-molecular theory of gases

(Encyclopedia) kinetic-molecular theory of gases, physical theory that explains the behavior of gases on the basis of the following assumptions: (1) Any gas is composed of a very large number of very…

social contract

(Encyclopedia) social contract, agreement or covenant by which men are said to have abandoned the “state of nature” to form the society in which they now live. The theory of such a contract, first…

Digger Indians

(Encyclopedia) Digger Indians, term indiscriminately applied to many Native Americans of the central plateau region of W North America, including tribes in Oregon, Idaho, Utah, Arizona, Nevada, and…

Henry's law

(Encyclopedia) Henry's law, chemical law stating that the amount of a gas that dissolves in a liquid is proportional to the partial pressure of the gas over the liquid, provided no chemical reaction…

Judas of Galilee

(Encyclopedia) Judas of Galilee, fl. a.d. 6, a leader of the Zealots, a radical revolutionary Jewish sect. He raised an insurrection against the taxation census of Cyrenius (a.d. 6) on the grounds…