invariant

Definitions of invariant
1

adj unvarying in nature

Synonyms:
changeless, constant, unvarying
invariable
not liable to or capable of change

adj unaffected by a designated operation or transformation

Synonyms:
invariable
not liable to or capable of change

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

Type of:
characteristic, feature
a prominent attribute or aspect of something

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