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oxidation and reduction

(Encyclopedia)oxidation and reduction, complementary chemical reactions characterized by the loss or gain, respectively, of one or more electrons by an atom or molecule. Originally the term oxidation was used to re...

permutations and combinations

(Encyclopedia)permutations and combinations: see probability. ...

acids and bases

(Encyclopedia)acids and bases, two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Another theory that provides a very broad ...

orchestra and orchestration

(Encyclopedia)CE5 Typical seating plan of a symphony orchestra orchestra and orchestration, an orchestra is a musical ensemble of mixed instruments based on strings and winds, under the direction of a conductor...

visit and search

(Encyclopedia)visit and search: see search, right of. ...

Walton and Weybridge

(Encyclopedia)Walton and Weybridge wāˈbrĭj [key], city (19981 pop. 50,031), Surrey, SE England. It is largely a residential suburb of London. There is market gardening, an aircraft works, and other industries. ...

Wanstead and Woodford

(Encyclopedia)Wanstead and Woodford: see Redbridge. ...

adhesion and cohesion

(Encyclopedia)adhesion and cohesion, attractive forces between material bodies. A distinction is usually made between an adhesive force, which acts to hold two separate bodies together (or to stick one body to anot...

Aholah and Aholibah

(Encyclopedia)Aholah əhōˈlə [key], in the Bible, the sisters in an allegory on Israel's idolatry. ...

Castile and León

(Encyclopedia)Castile and León –lāōnˈ [key], autonomous community, 36,381 sq mi (94,227 sq km), N central Spain, ...