Definition of evolute in English: evolute (also evolute curve )
noun Mathematics A curve which is the locus of the centers of curvature of another curve (its involute)
Example sentences
‘He defines evolutes and involutes of curves and, after giving some elementary properties, finds the evolutes of the cycloid and of the parabola.’ ‘He gives propositions determining the centre of curvature which lead immediately to the Cartesian equation of the evolute.’ ‘On 22 January 1769 Monge wrote to Bossut explaining that he was writing a work on the evolutes of curves of double curvature.’ ‘Hence a curve has a unique evolute but infinitely many involutes.’ ‘Of course the evolute of an involute of a circle is a circle.’ Origin Mid 18th century: from Latin evolutus, past participle of evolvere ‘roll out’ (see evolve).
Pronunciation evolute /ˈevəˌlo͞ot/ /ˈɛvəˌlut/