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cycloid
[sahy-kloid]
adjective
resembling a circle; circular.
(of the scale of a fish) smooth-edged, more or less circular in form, and having concentric striations.
(of a fish) having such scales.
Psychiatry.of or noting a personality type characterized by wide fluctuation in mood within the normal range.
noun
a cycloid fish.
Geometry.a curve generated by a point on the circumference of a circle that rolls, without slipping, on a straight line.
cycloid
/ ˈɪɔɪ /
adjective
resembling a circle
(of fish scales) rounded, thin, and smooth-edged, as those of the salmon
psychiatry (of a type of personality) characterized by exaggerated swings of mood between elation and depression See also cyclothymia
noun
geometry the curve described by a point on the circumference of a circle as the circle rolls along a straight line Compare trochoid
a fish that has cycloid scales
cycloid
Resembling a circle.
Thin, rounded, and smooth-edged, like a disk. Used of fish scales.
The curve traced by a point on the circumference of a circle that rolls on a straight line.
Other 51Թ Forms
- cycloidal adjective
- cycloidally adverb
- ˈǾ岹 adjective
- ˈǾ岹ly adverb
51Թ History and Origins
Example Sentences
Kahn played with natural light in the Fort Worth building, suffused with skylights, reflectors and cycloid barrel vaults.
That curve, called a cycloid, is produced by a point on the circumference of a circle or wheel as it rolls along a straight line.
There are connections to be made between some of these displays — even the “Tracks of Galileo” with its allusion to “cycloids” and the rectangular-wheeled trike — that might have also been subtly explored.
This curve of quickest descent, as it is sometimes called, is, in a vacuum, the same as the cycloid.
It is impossible to mill out even a convex cycloid or epicycloid, by the means and in the manner above described.
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