Definition of evolute in English:


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


  • A curve that is the locus of the centers of curvature of another curve (its involute).
    More 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.


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

More definitions of evolute

Definition of evolute in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day milord
Pronunciation: məˈlôrd
used to address an English nobleman