cylindroid (plural cylindroids)
(geometry) A cylinder with elliptical cross-section.
(geometry) A certain three-dimensional surface described by a moving straight line, used to illustrate the motions of a rigid body and the forces that act upon it.
(medicine) A ribbon-like mucous cast frequently found in the urine in cases of mild irritation of the kidney.
Source: Wiktionary
Cyl"in*droid (sl"n-droid), n. Etym: [Gr. -oid: cf. F. cylindro.]
1. A solid body resembling a right cylinder, but having the bases or ends elliptical.
2. (Geom.)
Definition: A certain surface of the third degree, described by a moving straight line; -- used to illustrate the motions of a rigid body and also the forces acting on the body.
Source: Webster’s Unabridged Dictionary 1913 Edition
2 May 2025
(noun) excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine
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