Definitions
1.AdjectiveUnchanged through time or space; permanent.
2.AdjectiveConsistently recurring over time; persistent.
3.AdjectiveSteady in purpose, action, feeling, etc.
4.AdjectiveFirm; solid; not fluid.
5.AdjectiveConsistent; logical.
6.AdjectiveBounded above by a constant."constant time constant space"
7.NounThat which is permanent or invariable.
8.NounA quantity that remains at a fixed value throughout a given discussion or operation.
9.NounAny property of an experiment, determined numerically, that does not change under given circumstances.
10.NounAn identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.