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portal system

(Encyclopedia)portal system: see circulatory system. ...

gastrointestinal system

(Encyclopedia)gastrointestinal system: see digestive system. ...

cardiovascular system

(Encyclopedia)cardiovascular system: see circulatory system. ...

heliocentric system

(Encyclopedia)heliocentric system: see Copernican system. ...

examination system

(Encyclopedia)examination system: see Chinese examination system. ...

Copernican system

(Encyclopedia)Copernican system, first modern European theory of planetary motion that was heliocentric, i.e., that placed the sun motionless at the center of the solar system with all the planets, including the ea...

binary system

(Encyclopedia)binary system, numeration system based on powers of 2, in contrast to the familiar decimal system, which is based on powers of 10. In the binary system, only the digits 0 and 1 are used. Thus, the fir...

bicameral system

(Encyclopedia)bicameral system bīkămˈərəl [key], governmental system dividing the legislative function between two chambers, an “upper,” such as the U.S. Senate and the British House of Lords, and a “low...

banner system

(Encyclopedia)banner system, Manchu conscription system. Companies of Manchu warriors were grouped (1601) into brigades, each with a distinctive banner. The banner system integrated former tribal units into a burea...

sweating system

(Encyclopedia)sweating system, method of exploiting labor by supplying materials to workers and paying by the piece (see piecework) for work done on those materials in the workers' homes or in small workshops (swea...