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Hyperbolic logarithm
Hyperbolic or Napierian
hyperbolic paraboloid
hyperbolic sines
Hyperbolic spiral
hyperbolical
Hyperbolically
Hyperboliform
hyperbolise
Hyperbolism
Hyperbolist
Hyperbolize
Hyperbolized
Hyperbolizing
Hyperboloid of revolution
hyperboloidal
Hyperborean
hypercalcaemia
hypercalcemia
hypercalcemic
hypercalcinuria
hypercalciuria
hypercapnia
hypercapnic
hypercarbia
Hypercarbureted
hypercarburetted

# Hyperboloid definitions

## Webster's 1828 Dictionary

HYPER'BOLOID, n. [hyperbola, and Gr. form.] A hyperbolic conoid; a solid formed by the revolution of a hyperbola about its axis.

## WordNet (r) 3.0 (2005)

n
1: a quadric surface generated by rotating a hyperbola around its main axis

## Merriam Webster's

noun Date: 1743 a quadric surface whose sections by planes parallel to one coordinate plane are ellipses while those sections by planes parallel to the other two are hyperbolas if proper orientation of the axes is assumed • hyperboloidal adjective

## Oxford Reference Dictionary

n. Geom. a solid or surface having plane sections that are hyperbolas, ellipses, or circles. Derivatives: hyperboloidal adj.

## Webster's 1913 Dictionary

Hyperboloid Hy*per"bo*loid, n. [Hyperbola + -oid: cf. F. hyperbolo["i]de.] (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.

## Webster's 1913 Dictionary

Hyperboloid Hy*per"bo*loid, a. (Geom.) Having some property that belongs to an hyperboloid or hyperbola.

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