evolute (plural evolutes)
(geometry) A curve comprising the centres of curvature of another curve.
evolute
(malacology) Having or being a (mollusc) spiral shell in which the whorls touch along a surface.
• advolute
• involute
• convolute
• velouté
Source: Wiktionary
Ev"o*lute, n. Etym: [L. evolutus unrolled, p. p. of evolvere. See Evolve.] (Geom.)
Definition: A curve from which another curve, called the involute or evolvent, is described by the end of a thread gradually wound upon the former, or unwound from it. See Involute. It is the locus of the centers of all the circles which are osculatory to the given curve or evolvent.
Note: Any curve may be an evolute, the term being applied to it only in its relation to the involute.
Source: Webster’s Unabridged Dictionary 1913 Edition
18 April 2025
(noun) the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals
The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.
