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quadric surface

American  

noun

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


Etymology

Origin of quadric surface

First recorded in 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Show that quadric surface x2 + y2 + z2 − 2xy − 2xz + 2yz − 1 = 0 reduces to two parallel planes passing.

From Textbooks Mar. 30, 2016

Show that quadric surface x2 + y2 + z2 + 2xy + 2xz + 2yz + x + y + z = 0 reduces to two parallel planes.

From Textbooks Mar. 30, 2016

When a quadric surface intersects a coordinate plane, the trace is a conic section.

From Textbooks Mar. 30, 2016

For the following exercises, the equation of a quadric surface is given.

From Textbooks Mar. 30, 2016

Every conic which has five points in common with a quadric surface lies on the surface.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

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