# quadric

[kwod-rik]Mathematics

## Origin of quadric

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for quadric

### Historical Examples of quadric

Every plane section of a quadric surface is a conic or a line-pair.

Instead of a circle or sphere we may take any conic or quadric.

Now from a quadric equation we derive, in like manner, the notion of a complex or imaginary number such as is spoken of above.

Evidently the method gives for L a quadric equation, which is the “resolvent” equation in this particular case.

Each ray cuts its corresponding plane in a point, the locus of these points is a quadric surface.

## quadric

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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