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boulder, in geology

(Encyclopedia)boulder, large rock fragment formed by detachment from its parent consolidated rock by weathering and erosion. In engineering and geology, especially in the United States, the term is applied to loose...

bow, in music

(Encyclopedia)bow bō [key], implement used in playing stringed instruments. Its name originated from the fact that in its early form it resembled an archer's bow, but by the 17th cent. the European bow had gradual...

brake, in botany

(Encyclopedia)brake, in botany: see bracken.

brake, in technology

(Encyclopedia)CE5 Shoe brake CE5 Disk brake brake, in technology, device to slow or stop the motion of a mechanism or vehicle. The vacuum brake system, or vacuum brake, depends upon the use of a vacuum to ...

agave, in botany

(Encyclopedia)agave: see amaryllis.

agglutination, in biochemistry

(Encyclopedia)agglutination, in biochemistry: see immunity. ...

agglutination, in linguistics

(Encyclopedia)agglutination, in linguistics: see inflection. ...

Brethren in Christ

(Encyclopedia)Brethren in Christ: see River Brethren. ...

bronze, in art

(Encyclopedia)bronze, in art: see bronze sculpture. ...

bronze, in metallurgy

(Encyclopedia)bronze, in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses. Most are produced by melting the copper and adding the de...