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EVOLUTE

 - 2 dictionary results

ev⋅o⋅lute

  [ev-uh-loot or, especially Brit., ee-vuh-]
–noun Geometry.
the locus of the centers of curvature of, or the envelope of the normals to, another curve. Compare involute (def. 5).
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Origin:
1720–30; < L ēvolūtus (ptp. of ēvolvere to roll out, unfold, evolve )
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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ev·o·lute   (ěv'ə-lōōt', ē'və-)   
n.   Mathematics
The locus of the centers of curvature of a given curve.

[From Latin ēvolūtus, past participle of ēvolvere, to unroll; see evolve.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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