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Webster 1913 Edition
Hyperboloid
Hy-per′bo-loid
,Noun.
[
Hyperbola
+ -oid
: cf. F. hyperboloïde
.] (Geom.)
A surface of the second order, which is cut by certain planes in hyperbolas; also, the solid, bounded in part by such a surface.
Hyperboloid of revolution
, an hyperboloid described by an hyperbola revolving about one of its axes. The surface has two separate sheets when the axis of revolution is the transverse axis, but only one when the axis of revolution is the conjugate axis of the hyperbola.
Hy-per′bo-loid
,Adj.
(Geom.)
Having some property that belongs to an hyperboloid or hyperbola.
Webster 1828 Edition
Hyperboloid
HYPER'BOLOID
,Noun.