英语词汇“trochoid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tro•choid n.

Mathematics[Geom.]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.

adj.

tro•choi′dal, adj.
tro•choi′dal•ly, adv.

Collins Concise English Dictionary © HarperCollins Publishers::

trochoid /ˈtrəʊkɔɪd/ n

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

Etymology: 18th Century: from Greek trokhoeidēs circular, from trokhos wheel

单词	trochoid
释义	WordReference Random House Unabridged Dictionary of American English © 2024 tro•choid (trō′koid),USA pronunciation n. Mathematics[Geom.]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. adj. rotating on an axis, as a wheel. Greek trochoeidé̄s round like a wheel. See troche, -oid 1695–1705 tro•choi′dal, adj. tro•choi′dal•ly, adv. Collins Concise English Dictionary © HarperCollins Publishers:: trochoid /ˈtrəʊkɔɪd/ n 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 rotating or capable of rotating about a central axis (of a structure or part) resembling or functioning as a pivot or pulley Etymology: 18th Century: from Greek trokhoeidēs circular, from trokhos wheel
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