INVALUED
In*val"ued, a.

Defn: Inestimable. [R.] Drayton.

INVARIABILITY
In*va`ri*a*bil"i*ty, n. Etym: [Cf. F. invariabilité.]

Defn: The quality of being invariable; invariableness; constancy; uniformity.

INVARIABLE In*va"ri*a*ble, a. Etym: [Pref. in- not + variable: cf. F. invariable.]

Defn: Not given to variation or change; unalterable; unchangeable;
always uniform.
Physical laws which are invariable. I. Taylor.
— In*va"ri*a*ble*ness, n.
— In*va"ri*a*bly, adv.

INVARIABLE
In*va"ri*a*ble, n. (Math.)

Defn: An invariable quantity; a constant.

INVARIANCE
In*va"ri*ance, n. (Math.)

Defn: The property of remaining invariable under prescribed or implied conditions. J. J. Sylvester.