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seignorial system
(Encyclopedia)seignorial system: see manorial system; feudalism. ...borstal system
(Encyclopedia)borstal system bôrˈstəl [key], rehabilitation method formerly used in Great Britain for delinquent boys aged 16 to 21. The idea originated (1895) with the Gladstone Committee as an attempt to refor...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...spoils system
(Encyclopedia)spoils system, in U.S. history, the practice of giving appointive offices to loyal members of the party in power. The name supposedly derived from a speech by Senator William Learned Marcy in which he...Continental System
(Encyclopedia)Continental System, scheme of action adopted by Napoleon I in his economic warfare with England from 1806 to 1812. Economic warfare had been carried on before 1806, but the system itself was initiated...manorial system
(Encyclopedia)manorial system sēnyôrˈēəl [key], economic and social system of medieval Europe under which peasants' land tenure and production were regulated, and local justice and taxation were administered. ...planetary system
(Encyclopedia)planetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only planetary system known ...expert system
(Encyclopedia)expert system, a computer system or program that uses artificial intelligence techniques to solve problems that ordinarily require a knowledgeable human. The method used to construct such systems, kno...Ptolemaic system
(Encyclopedia)Ptolemaic system tŏlˌəmāˈĭk [key], historically the most influential of the geocentric cosmological theories, i.e., theories that placed the earth motionless at the center of the universe with a...respiratory system
(Encyclopedia)respiratory system: see respiration. ...Browse by Subject
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