evolute

About 0.04 uses per million words.

Meaning

1. noun A curve comprising the centres of curvature of another curve.
2. adjective Having or being a (mollusc) spiral shell in which the whorls touch along a surface.
3. adjective Unfolded; turned back.
4. verb Synonym of evolve (“cause to come into being”).

Similar words

involute evolvent evolution curvative radial curve vertex osculating circle spiral ineunt inverse

Often followed by

of and is from in whorls shells or to

Word family

evolutes