Consistently recurring over time; persistent.
Firm; solid; not fluid.
Unchanged through time or space; permanent.
Steady in purpose, action, feeling, etc.
Bounded above by a constant.
A quantity that remains at a fixed value throughout a given discussion.
Any property of an experiment, determined numerically, that does not change under given circumstances.
That which is permanent or invariable.
An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.
Persisting for an extended period of time.
A durable woollen material formerly used for women's shoes.
The act or process of shaping footwear on a last.