Definition of quadric in English:


Line breaks: quad|ric
Pronunciation: /ˈkwɒdrɪk


(Of a surface or curve) described by an equation of the second degree.
More example sentences
  • His doctorate was awarded by Leiden in 1870 for a dissertation Homography applied to the theory of quadric surfaces.


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A quadric surface or curve.
More example sentences
  • His work in geometry included a study of conics, quadrics and projective geometry.
  • The equation of the scroll of tangents of the common curve of two quadrics is due to Cayley in 1850.
  • The book contains a wealth of information concerning the projective geometry of conics and quadrics.


mid 19th century: from Latin quadra 'square' + -ic.

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