資料來源 : pyDict
拋物面
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Paraboloid \Pa*rab"o*loid\ (-loid), n. [Parabola + -oid: cf. F.
parabolo["i]de.] (Geom.)
The solid generated by the rotation of a parabola about its
axis; any surface of the second order whose sections by
planes parallel to a given line are parabolas.
Note: The term paraboloid has sometimes been applied also to
the parabolas of the higher orders. --Hutton.
資料來源 : WordNet®
paraboloid
n : a surface having parabolic sections parallel to a single
coordinate axis and elliptic sections perpendicular to
that axis