invariability

Noun

in=var=i=a=bil=i=ty

WORDNET DICTIONARY

invariability(n = noun.attribute) evenness - a quality of uniformity and lack of variation; Array

is a kind of regularity

has particulars: smoothness

Derived form adjective invariable₁

Antonym: variability

invariability(n = noun.attribute) invariableness, invariance - the quality of being resistant to variation; Array

is a kind of changelessness, unchangeability, unchangeableness, unchangingness

has particulars: unvariedness

Derived form adjective invariable₁

Antonym: variability

invariability, n. [Cf. F. invariabilité.].

The quality of being invariable; invariableness; constancy; uniformity. [1913 Webster]

For further exploring for "invariability" in Webster Dictionary Online