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trochoid definition

tro·choid (trō′ko̵id′)

noun

Geom. any cycloid

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

adjective

having a wheel-like rotary motion on an axis, as a joint
also trochoidal tro·choi′·dal

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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