Invariant

[ɪn'veərɪənt] or [ɪn'vɛrɪənt]

Definition

(noun.) a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it.

(adj.) unaffected by a designated operation or transformation .

Typist: Wesley--From WordNet

Definition

(n.) An invariable quantity; specifically, a function of the coefficients of one or more forms, which remains unaltered, when these undergo suitable linear transformations.

Editor: Peter