**Quar"tic** (?), a. [L.*quartus* fourth.] Mach.

Of the fourth degree.

© Webster 1913.

**Quar"tic** (?), n. (a) Alg.

A quantic of the fourth degree. See Quantic.

(b)

Geom. A curve or surface whose equation is of the fourth degree in the variables.

© Webster 1913.