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
21 February 2025
(noun) some artifact that has been restored or reconstructed; “the restoration looked exactly like the original”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
