invariance noun. [ɪn'vɛ:rɪǝns] L19.
[from INVARIANT: see -ANCE.]
1. Math. The character of remaining unaltered after an operation or (esp. linear) transformation. (Foll. by under.) L19.

2. gen. The property of remaining unaltered or of being the same in different circumstances; an instance of this, an invariant. M20.
Also
■ invariancy noun L19.

[TahlilGaran] English Dictionary ▲