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
• veloutĂ©
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
23 January 2025
(adjective) being or located on or directed toward the side of the body to the west when facing north; “my left hand”; “left center field”; “the left bank of a river is bank on your left side when you are facing downstream”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
