Firm; solid; fixed; immovable; - opposed to fluid.
Not liable, or given, to change; permanent; regular; continuous; continually recurring; steadfast; faithful; not fickle. Opposite of changeable and variable.
Remaining unchanged or invariable, as a quantity, force, law, etc.
Consistent; logical.
That which is not subject to change; that which is invariable.
A quantity that does not change its value; - used in countradistinction to variable.
A number whose value, when ascertained (as by observation) and substituted in a general mathematical formula expressing an astronomical law, completely determines that law and enables predictions to be made of its effect in particular cases.
A number expressing some property or condition of a substance or of an instrument of precision; as, the dielectric constant of quartz; the collimation constant of a transit instrument.
a data structure that does not change during the course of execution of a program. It may be a number, a string, or a more complex data structure; - contrasted with variable.
