| 释义 |
cyclide Geom.|ˈsaɪklɪd, ˈsɪklaɪd|
[a. F. cyclide, f. cycle.]
‘The envelope of a sphere whose centre moves on a fixed quadric, and which cuts a fixed sphere orthogonally’ (Salmon).
1874Salmon Analyt. Geom. Three Dim. 496. 1881 H. Hart in Athenæum 23 Apr. 563/2 On the Five Focal Quadrics of a Cyclide. |