quadric(redirected from Quadrics)
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Of or relating to geometric surfaces that are defined by quadratic equations.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Mathematics) having or characterized by an equation of the second degree, usually in two or three variables
2. (Mathematics) of the second degree
(Mathematics) a quadric curve, surface, or function
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
2. a surface such as an ellipsoid or paraboloid as defined by a second-degree equation in three real variables.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||quadric - a curve or surface whose equation (in Cartesian coordinates) is of the second degree|
hyperboloid - a quadric surface generated by rotating a hyperbola around its main axis
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