Trochoid : Definition

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Definitions of Trochoid

Pronunciation : Tro"choid
Part of Speech : n.
Etymology : [Gr. -oid; cf. F. trochoïde. See Troche.] (Geom.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913

Pronunciation : Tro"choid
Part of Speech : a.
Definition : 1. (Anat.)

Defn: Admitting of rotation on an axis; -- sometimes applied to a pivot joint like that between the atlas and axis in the vertebral column.

2. (Zoöl.)

Defn: Top-shaped; having a flat base and conical spire; -- said of certain shells.

3. (Zoöl.)

Defn: Of or pertaining to the genus Trochus or family Trochidæ.
Source : Webster's Unabridged Dictionary, 1913

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