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quadric

American  
[kwod-rik] / ˈkwɒd rɪk /

adjective

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


noun

  1. a quadric function.

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

quadric British  
/ ˈkwɒdrɪk /

adjective

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

  2. of the second degree

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a quadric curve, surface, or function

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of quadric

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

Vocabulary lists containing quadric

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:

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

From Textbooks Mar. 30, 2016

Determine the axis of symmetry of the quadric surface.

From Textbooks Mar. 30, 2016

We also note there are x terms and y terms that are not squared, so this quadric surface is not centered at the origin.

From Textbooks Mar. 30, 2016

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

From Textbooks Mar. 30, 2016

“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 "Tradition" by Brendan Kiely

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