“conicoid”的英英意思

单词 conicoid 释义 conicoid Geom.|knkd|[f. conic + -oid, after ellipsoid, etc.]In Solid Geometry: A surface of which every plane section is a conic (see conic B. 2); a surface of the second degree, a quadric surface or quadric: e.g. a sphere, ellipsoid,...