cindexconicoid./kon-i-koid, koh-ni-/US // ˈkɒn ɪˌkɔɪd, ˈkoʊ nɪ- //圆锥体,锥体,锥体细胞Definitionsn.noun · 名词1. Geometry.›a quadric, especially a hyperboloid, paraboloid, or ellipsoid.Level 4More words in c →