Search for crossword answers and clues

Answer for the clue "A curve or surface whose equation (in Cartesian coordinates) is of the second degree ", 7 letters:
quadric

Word definitions for quadric in dictionaries

Wikipedia Word definitions in Wikipedia
In mathematics, a quadric or quadric surface ( quadric hypersurface if D > 2), is a generalization of conic sections ( ellipses , parabolas , and hyperbolas ) to any number of dimensions . It is any D -dimensional hypersurface in -dimensional space defined ...

Wiktionary Word definitions in Wiktionary
a. (context mathematics English) Of or relating to the second degree; quadratic. n. (context mathematics English) A surface whose shape is defined in terms of a quadratic equation

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Quadric \Quad"ric\, a. (Math.) Of or pertaining to the second degree.

WordNet Word definitions in WordNet
n. a curve or surface whose equation (in Cartesian coordinates) is of the second degree [syn: quadric surface ]