Akademik
ellipsoid
1.
noun
a)
a
surface
, all of whose cross sections are
elliptic
or
circular
(includes the
sphere
)
Here the
geoid
is thirty meters below the ellipsoid.
b)
Such a surface used as a
model
of the shape of the
earth
.
2.
adjective
a)
of or pertaining to an ellipse;
ellipsoidal
b)
Shaped like an
ellipse
;
elliptical
.
See Also:
globose
,
globoid
,
ovoid
,
oblong
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.