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gear

(Encyclopedia)CE5 Types of gears gear, toothed wheel, cylinder, or cone that transmits motion from one part of a machine to another; it is one of the oldest means of transmitting motion. When the teeth of two g...

Peter I, king of Aragón and Navarre

(Encyclopedia)Peter I, d. 1104, king of Aragón and Navarre (1094–1104), son and successor of Sancho I. He continued the fight against the Moors, taking (1096) Huesca and recapturing (1100) Barbastro. His brother...

Stephen, Saint, duke and king of Hungary

(Encyclopedia)Stephen, Saint, or Stephen I, 975–1038, duke (997–1001) and first king (1001–38) of Hungary, called the Apostle of Hungary. The Hungarian state may be said to date from his reign. Because he con...

Galileo

(Encyclopedia)Galileo (Galileo Galilei) gălˌĭlēˈō; gälēlĕˈō gälēlĕˈē [key], 1564–1642, great Italian astronomer, mathematician, and physicist. By his persistent investigation of natural laws he la...

Albion, ancient and literary name of Britain

(Encyclopedia)Albion ălˈbēən [key], ancient and literary name of Britain. It is usually restricted to England and is perhaps derived from the Latin albus meaning “white,” referring to the chalk cliffs of S ...

U.S. Customary System of weights and measures

(Encyclopedia)U.S. Customary System of weights and measures: see English units of measurement. ...

British Imperial System of weights and measures

(Encyclopedia)British Imperial System of weights and measures: see English units of measurement. ...

crank

(Encyclopedia)crank, mechanical linkage consisting of a bar attached to a pivot at one of its ends in such a way that it is capable of rotating through a complete circle about the pivot. One of the principal uses o...

International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America

(Encyclopedia)International Brotherhood of Teamsters, Chauffeurs, Warehousemen, and Helpers of America: see Teamsters Union. ...