CYCLOIDS

Noun

cycloids

plural of cycloid

Source: Wiktionary


CYCLOID

Cy"cloid (s"kloid), n. Etym: [Cyclo- + -oid: cf. F. cycloĂŻde.] (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



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Word of the Day

3 April 2025

WHOLE

(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”


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