cycloid (redirected from cycloids)

cy·cloid  (skloid) adj. 1. Resembling a circle. 2. Zoology a. Thin, rounded, and smooth-edged; disklike. Used of fish scales. b. Having or composed of such scales. 3. Psychiatry Afflicted with or relating to cyclothymia. n. 1. Mathematics The curve traced by a point on the circumference of a circle that rolls on a straight line. 2. Zoology A fish having cycloid scales. [French cycloïde, from Greek kukloeids, circular : kuklos, circle; see kwel-1 in Indo-European roots + -oeids, -oid.] cy·cloidal (-kloidl) adj.

cycloid top: surface view of cycloid scales of a bony fish bottom: The parametric equation of this cycloid is: x=r( - sin) y=r(1 - cos)

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cycloid  (skloid) 1. Resembling a circle. 2. Thin, rounded, and smooth-edged, like a disk. Used of fish scales. 3. The curve traced by a point on the circumference of a circle that rolls on a straight line.

cycloid

Thesaurus

Noun	1.	cycloid - a line generated by a point on a circle rolling along a straight line line roulette, roulette - a line generated by a point on one figure rolling around a second figure curate cycloid - a cycloid generated by a point inside the rolling circle prolate cycloid - a cycloid generated by a point outside the rolling circle
Adj.	1.	cycloid - resembling a circle cycloidal rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"