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trochoid

Trochoid is a 8 letter word which starts with the letter T and ends with the letter D for which we found 4 definitions.

Definition
(n.) The curve described by any point in a wheel rolling on a line; a cycloid; a roulette; in general the curve described by any point fixedly connected with a moving curve while the moving curve rolls without slipping on a second fixed curve the curves all being in one plane. Cycloids epicycloids hypocycloids cardioids etc. are all trochoids.
(a.) Admitting of rotation on an axis; -- sometimes applied to a pivot joint like that between the atlas and axis in the vertebral column.
(a.) Top-shaped; having a flat base and conical spire; -- said of certain shells.
(a.) Of or pertaining to the genus Trochus or family Trochidae.
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