# Definify.com

## Webster 1913 Edition

## Quadric

## Quad′ric

,Adj.

(Math.)

Of or pertaining to the second degree.

## Quad′ric

,Noun.

(a)

(Alg.)

A quantic of the second degree. See

Quantic

. (b)

(Geom.)

A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with circular bases, are quadrics.

## Definition 2024

## quadric

# quadric

## English

### Noun

**quadric** (*plural* **quadrics**)

- (mathematics) A surface whose shape is defined in terms of a quadratic equation

#### Translations

surface whose shape is defined in terms of a quadratic equation

### Adjective

**quadric** (*not comparable*)

- (mathematics) Of or relating to the second degree; quadratic.