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paraboloid
5 dictionary results for: paraboloid
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
pa·rab·o·loid       [puh-rab-uh-loid] Pronunciation Key
–noun Geometry.
a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.


[Origin: 1650–60; parabol(a) + -oid]

pa·rab·o·loi·dal       [puh-rab-uh-loid-l, par-uh-buh-] Pronunciation Key, adjective
American Heritage Dictionary - Cite This Source - Share This
pa·rab·o·loid       (pə-rāb'ə-loid')  Pronunciation Key 


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n.   A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.

pa·rab'o·loi'dal (-loid'l) adj.
WordNet - Cite This Source - Share This
paraboloid

noun
a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis 

The American Heritage Science Dictionary - Cite This Source - Share This
paraboloid       (pə-rāb'ə-loid')  Pronunciation Key 
A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

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.

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