Definition of quadric in English:

quadric

adjective ˈkwɒdrɪkˈkwɑdrɪk

Geometry

(of a surface or curve) described by an equation of the second degree.
（表面，曲线）二次的
Example sentencesExamples
- His doctorate was awarded by Leiden in 1870 for a dissertation Homography applied to the theory of quadric surfaces.

noun ˈkwɒdrɪkˈkwɑdrɪk

Geometry

A quadric surface or curve.
二次曲面；二次曲线
Example sentencesExamples
- He also published a number of papers on the cubic surface, studying lines on the surface, and other topics such as the Schur quadric.
- The book contains a wealth of information concerning the projective geometry of conics and quadrics.
- 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.

Origin

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

Definition of quadric in US English:

quadric

adjectiveˈkwɑdrɪkˈkwädrik

Geometry

(of a surface or curve) described by an equation of the second degree.
（表面，曲线）二次的
Example sentencesExamples
- His doctorate was awarded by Leiden in 1870 for a dissertation Homography applied to the theory of quadric surfaces.

nounˈkwɑdrɪkˈkwädrik

Geometry

A quadric surface or curve.
二次曲面；二次曲线
Example sentencesExamples
- The book contains a wealth of information concerning the projective geometry of conics and quadrics.
- 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.
- He also published a number of papers on the cubic surface, studying lines on the surface, and other topics such as the Schur quadric.

Origin

Mid 19th century: from Latin quadra ‘square’ + -ic.

单词	quadric
释义	Definition of quadric in English: quadric adjective ˈkwɒdrɪkˈkwɑdrɪk Geometry (of a surface or curve) described by an equation of the second degree. （表面，曲线）二次的 Example sentencesExamples His doctorate was awarded by Leiden in 1870 for a dissertation Homography applied to the theory of quadric surfaces. noun ˈkwɒdrɪkˈkwɑdrɪk Geometry A quadric surface or curve. 二次曲面；二次曲线 Example sentencesExamples He also published a number of papers on the cubic surface, studying lines on the surface, and other topics such as the Schur quadric. The book contains a wealth of information concerning the projective geometry of conics and quadrics. 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. Origin Mid 19th century: from Latin quadra 'square' + -ic. Definition of quadric in US English: quadric adjectiveˈkwɑdrɪkˈkwädrik Geometry (of a surface or curve) described by an equation of the second degree. （表面，曲线）二次的 Example sentencesExamples His doctorate was awarded by Leiden in 1870 for a dissertation Homography applied to the theory of quadric surfaces. nounˈkwɑdrɪkˈkwädrik Geometry A quadric surface or curve. 二次曲面；二次曲线 Example sentencesExamples The book contains a wealth of information concerning the projective geometry of conics and quadrics. 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. He also published a number of papers on the cubic surface, studying lines on the surface, and other topics such as the Schur quadric. Origin Mid 19th century: from Latin quadra ‘square’ + -ic.
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