扁球面
扁球体球体
扁椭球

Oblate \Ob*late"\, a. [L. oblatus, used as p. p. of offerre to
bring forward, offer, dedicate; ob (see {Ob-}) + latus borne,
for tlatus. See {Tolerate}.]
1. (Geom.) Flattened or depressed at the poles; as, the earth
is an oblate spheroid.

2. Offered up; devoted; consecrated; dedicated; -- used
chiefly or only in the titles of Roman Catholic orders.
See {Oblate}, n.

{Oblate ellipsoid} or {Oblate spheroid} (Geom.), a solid
generated by the revolution of an ellipse about its minor
axis; an oblatum. Contrasted with {prolate spheroid}. See
{Ellipsoid of revolution}, under {Ellipsoid}.