ellipsoid
/ɪˈlɪp.sɔɪd/
构词拆解
- -oid
- Resembling; having the likeness of (usually including the concept of not being the same despite the likeness, but counterexamples exist). · (less commonly) Of, pertaining to, or related to.
词源说明
释义
名词noun
- 1(mathematics, geometry) A surface, all of whose cross sections are elliptic or circular (including the sphere), that generalises the ellipse and in Cartesian coordinates (x, y, z) is a quadric with equation x2/a2 + y2/b2 + z2/c2 = 1.
- 2(geography