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
Medical Dictionary


noun tro·choid \ˈtrō-ˌkid\

Medical Definition of TROCHOID


Next Word in the Dictionary: trochoidesPrevious Word in the Dictionary: TrochodendronAll Words Near: trochoid
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears