WordNet
definite quantity
n. a specific measure of amount
Usage examples of "definite quantity".
I can only think in it the successive progress from one moment to another, thus producing in the end, by all portions of time and their addition, a definite quantity of time.
To say that time is infinite means no more than that every definite quantity of time is possible only by limitations of one time which forms the foundation of all times.
Every small boy rises from his bed of a morning charged with a definite quantity of devilry.