cycloids
plural of cycloid
Source: Wiktionary
Cy"cloid (s"kloid), n. Etym: [Cyclo- + -oid: cf. F. cycloïde.] (Geom.)
Definition: A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane.
Note: The common cycloid is the curve described when the generating point (p) is on the circumference of the generating circle; the curtate cycloid, when that point lies without the circumference; the prolate or inflected cycloid, when the generating point (p) lies within that circumference.
Cy"cloid, a. (Zoöl.)
Definition: Of or pertaining to the Cycloidei. Cycloid scale (Zoöl.), a fish scale which is thin and shows concentric lines of growth, without serrations on the margin.
Cy"cloid, n. (Zoöl.)
Definition: One of the Cycloidei.
Source: Webster’s Unabridged Dictionary 1913 Edition
23 May 2025
(adverb) showing consideration and thoughtfulness; “he had thoughtfully brought with him some food to share”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
