quadric surf ace

quadric surface

noun
a three-dimensional surface whose equation is a quadratic equation.

Origin:
1880–85

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
quadric surface

noun
a curve or surface whose equation (in Cartesian coordinates) is of the second degree [syn: quadric
WordNet® 3.0, © 2006 by Princeton University.
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