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evolute definition

evo·lute (ev′ə lo̵̅o̅t′)

noun

Geom. a curve that is the locus of the center of curvature of another curve (called the involute); the envelope of the perpendiculars, or normals, of the involute
see involute,

Etymology: < L evolutus: see evolution

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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