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wave, in physics

(Encyclopedia)wave, in physics, the transfer of energy by the regular vibration, or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic fie...

Weissenburg in Bayern

(Encyclopedia)Weissenburg in Bayern vīˈsənbo͝ork ĭn bīˈyərn [key] or Weissenburg, town, Bavaria, S Germany. It is a manufacturing center of Middle Franconia; products include gold and silver lace, processed...

voice, in grammar

(Encyclopedia)voice, grammatical category according to which an action is referred to as done by the subject (active, e.g., men shoot bears) or to the subject (passive, e.g., bears are shot by men). In Latin, voice...

walleye, in medicine

(Encyclopedia)walleye: see strabismus.

walleye, in zoology

(Encyclopedia)walleye or walleyed pike: see perch. ...

bursa, in anatomy

(Encyclopedia)bursa bûrˈsə [key], closed fibrous sac lined with a smooth membrane, producing a viscous lubricant known as synovial fluid. Bursas are found in regions where muscles or tendons rub against other mu...

butte, in geology

(Encyclopedia)butte, an isolated hill with steep sides and a flat top, resulting from the more rapid erosion of the surrounding areas. Buttes are characteristic of the plains of the W United States. See mesa. ...

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.