trochoid
Geometry. a curve traced by a point on a radius or an extension of the radius of a circle that rolls, without slipping, on a curve, another circle, or a straight line. Equation: x = aθ − b sin θ, y = a − b cos θ.
rotating on an axis, as a wheel.
Origin of trochoid
1Other words from trochoid
- tro·choi·dal, adjective
- tro·choi·dal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for trochoid
/ (ˈtrəʊkɔɪd) /
the curve described by a fixed point on the radius or extended radius of a circle as the circle rolls along a straight line
rotating or capable of rotating about a central axis
anatomy (of a structure or part) resembling or functioning as a pivot or pulley
Origin of trochoid
1Derived forms of trochoid
- trochoidally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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