evolute
the locus of the centers of curvature of, or the envelope of the normals to, another curve.: Compare involute (def. 5).
Origin of evolute
1Words Nearby evolute
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use evolute in a sentence
The adjective translated evolute (udanh) is of frequent occurrence in the formulas, but has no exact equivalent in English.
The Sacred Formulas of the Cherokees | James MooneyThe evolute of a curve is the curve which is the envelope of all its normals or the locus of all its centres of curvature.
The New Gresham Encyclopedia | VariousThese names are given to the curves because the end of a stretched thread unwound from the evolute will describe the involute.
The New Gresham Encyclopedia | VariousThe locus of the centres of curvature, or envelope of the normals, of a curve is called the “evolute.”
The involutes are “orthogonal trajectories” of the tangents to the common evolute.
British Dictionary definitions for evolute
/ (ˈɛvəˌluːt) /
a geometric curve that describes the locus of the centres of curvature of another curve (the involute). The tangents to the evolute are at right angles to the involute
biology having the margins rolled outwards
Origin of evolute
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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