释义 |
co·noid I. \ˈkōˌnȯid, ˈkäˌn-\ noun (-s) Etymology: Greek kōnoeides small cone, from neuter of kōnoeidēs, adjective 1. mathematics : a surface generated by a straight line that is perpendicular to and intersects a fixed straight line l, is revolved about l, and at the same time is translated along l 2. : something that has a conoidal form (as a rifle bullet) II. adjective Etymology: Greek kōnoeidēs conical, from kōn- con- (II) + -oeidēs -oid : shaped like or nearly like a cone : conoidal |