| 释义 |
pa·rab·o·loid
\pəˈrabəˌlȯid\ noun
(-s)
Etymology: New Latin parabola + English -oid
: a quadric surface for which sections parallel to two of the coordinate planes are parabolas and sections parallel to the third coordinate plane are ellipses, circles, or hyperbolas if proper orientation of the coordinate axes is assumed
< an elliptic paraboloid is dome-shaped >
— compare hyperbolic paraboloid, paraboloid of revolution |