Definitions
Century Dictionary and Cyclopedia
- n. In geometry, the curve traced by a point in the plane of a circle which rolls on the convex side of a fixed circle. The curve thus generated belongs to the family of roulettes, and becomes an epicycloid when the generating point is in the circumference of the rolling circle.
Hirst.
Wiktionary
- n. A geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine
GNU Webster's 1913
- n. (Geom.) A kind of curve. See epicycloid, any trochoid.
Examples
“Mazda's new RX-8 sports car is unusual in its use of the rotary engine invented by Felix Wankel: a triangular rotor inside a combustion chamber that's a particular case of epitrochoid.”
“The _ellipse_, then, is described by these arrangements because it is a special form of the epitrochoid; and various other epitrochoids may be traced with Suardi's pen by substituting other wheels, with different numbers of teeth, for a in Fig. 43.”
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Rognons of Random Palavery
Another of my random palavery lists for terms and phrases that don't fit into any of my other lists.
priorship, exigeant, refectory, reestablish, capper, reesed, quar, reprune, orificial, reaming-iron, terminist, terminism and 3097 more...
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