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trochoid

trochoid

noun tro·choid \ˈtrō-ˌkid, ˈträ-ˌkid\

Definition of TROCHOID

:  the curve generated by a point on the radius of a circle or the radius extended as the circle rolls on a fixed straight line
tro·choi·dal \trō-ˈki-dəl, trä-\ adjective

Origin of TROCHOID

Greek trochoeidēs like a wheel, from trochos wheel
First Known Use: circa 1704

trochoid

noun tro·choid \ˈtrō-ˌkid\   (Medical Dictionary)

Medical Definition of TROCHOID

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