quadric

[kwod-rik]

Phonetic (Standard)IPA

adjective

of the second degree (said especially of functions with more than two variables).

noun

a quadric function.
a surface such as an ellipsoid or paraboloid as defined by a second-degree equation in three real variables.

quadric

/ ˈ��ɒ��ɪ�� /

adjective

having or characterized by an equation of the second degree, usually in two or three variables
of the second degree

noun

a quadric curve, surface, or function

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Word History and Origins

Origin of quadric¹

First recorded in 1855–60; quadr- + -ic

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Example Sentences

Examples have not been reviewed.

“We were all trying to solve this quadric the same way, and then I realized we just had to invert the way we were looking at it.”

From

Each of these last equations represents a curve of the first order, or right line; and the original equation represents this pair of lines, viz. the pair of lines is considered as a quadric curve.

From

The first quadric having imaginary generators, no such self-conjugate subgroups can exist for the real group which transforms it into itself; and this real group is in fact simple.

From

The surface itself is therefore called a quadric surface, or a surface of the second order.

From

Consider first a numerical quadric equation with imaginary coefficients.

From

quadriad quadricentenary

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