tro·choid (tr  koid , tr koid)n. A curve traced by a point on or connected with a circle as the circle rolls along a fixed straight line. adj. also tro·choi·dal (tr -koidl, trk-oidl)1. Capable of or exhibiting rotation about a central axis. 2. Permitting rotation, as a pulley or pivot. [Greek trokhoeid  s, wheellike : trokhos, wheel; see trochee + -oeids, -oid.]tro·choi dal·ly adv. |
trochoid [ˈtrəʊkɔɪd]
n
(Mathematics) the curve described by a fixed point on the radius or extended radius of a circle as the circle rolls along a straight line
adj also trochoidal
1. (Mathematics) rotating or capable of rotating about a central axis
2. (Life Sciences & Allied Applications / Anatomy) Anatomy (of a structure or part) resembling or functioning as a pivot or pulley
[from Greek trokhoeidēs circular, from trokhos wheel]
trochoidally adv
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