trochoid

(trō′ko̵id′)

noun

Geom. any cycloid

Origin: < Gr trochoeides, round like a wheel < trochos (see troche) + eidos, -oid

adjective

having a wheel-like rotary motion on an axis, as a joint

See trochoid in American Heritage Dictionary 4

noun

A curve traced by a point on or connected with a circle as the circle rolls along a fixed straight line.

adjective also tro·choi·dal (trō-koidˈl, trŏk-oidˈl)

Origin:

Origin: Greek trokhoeidēs, wheellike

Origin: : trokhos, wheel; see trochee

Origin: + -oeidēs, -oid

Related Forms:

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