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evolute

Syllabification: ev·o·lute
Pronunciation: /ˈevəˌlo͞ot
 
/
(also evolute curve)

Definition of evolute in English:

noun

Mathematics
A curve that is the locus of the centers of curvature of another curve (its involute).
Example sentences
  • On 22 January 1769 Monge wrote to Bossut explaining that he was writing a work on the evolutes of curves of double curvature.
  • He defines evolutes and involutes of curves and, after giving some elementary properties, finds the evolutes of the cycloid and of the parabola.
  • Hence a curve has a unique evolute but infinitely many involutes.

Origin

mid 18th century: from Latin evolutus, past participle of evolvere 'roll out' (see evolve).

Definition of evolute in:

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