{Epicycloidal wheel}, a device for producing straight-line motion from circular motion, on the principle that a pin fastened in the periphery of a gear wheel will describe a straight line when the wheel rolls around inside a fixed internal gear of twice its diameter. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
epicycloidal wheel — epicycloidal wheel, a gear or wheel in an epicyclic train … Useful english dictionary
Epicycloidal — Ep i*cy*cloid al, a. Pertaining to the epicycloid, or having its properties. [1913 Webster] {Epicycloidal wheel}, a device for producing straight line motion from circular motion, on the principle that a pin fastened in the periphery of a gear… … The Collaborative International Dictionary of English
epicycloidal gear — /ɛpisaɪˌklɔɪdl ˈgɪə/ (say epeesuy.kloydl gear) noun one of the wheels in an epicyclic train. Also, epicycloidal wheel …
Gérard Desargues — Girard Desargues Girard Desargues (February 21 1591–October 1661) was a French mathematician and engineer, who is considered one of the founders of projective geometry. Desargues theorem, the Desargues graph, and the crater Desargues on the Moon… … Wikipedia
