quadric surface

noun

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

Word History and Origins

Origin of quadric surface¹

First recorded in 1880–85

Example Sentences

If a line moves so that it always cuts three given lines of which no two meet, then it generates a ruled quadric surface.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

A ruled quadric surface contains two sets of straight lines.

From Project Gutenberg

If through one point on a quadric surface no line on the surface can be drawn, then the surface contains no lines.

From Project Gutenberg