Kata bahasa Indonesia
English word
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun Epicycloid has 1 sense
- epicycloid(n = noun.shape) - a line generated by a point on a circle rolling around another circle; is a kind of line roulette, roulette
has particulars: cardioid
CIDE DICTIONARY
Epicycloid, n. [Epicycle + -oid: cf. F. épicycloïde.].
A curve traced by a point in the circumference of a circle which rolls on the convex side of a fixed circle. [1913 Webster]
" Any point rigidly connected with the rolling circle, but not in its circumference, traces a curve called an epitrochoid. The curve traced by a point in the circumference of the rolling circle when it rolls on the concave side of a fixed circle is called a hypocycloid; the curve traced by a point rigidly connected with the rolling circle in this case, but not its circumference, is called a hypotrochoid. All the curves mentioned above belong to the class class called roulettes or trochoids . See Trochoid ."
[1913 Webster]
OXFORD DICTIONARY
Epicycloid, n. Math. a curve traced by a point on the circumference of a circle rolling on the exterior of another circle.
Derivative
epicycloidal adj.