quantity has definitions from the field of mathematics
1
[ noun ] how much there is of something that you can measure

Used in print

(Orlin J. Scoville, Part-Time Farming...)

Part-time farmers generally must pay higher prices for supplies than full-time farmers because they buy in smaller quantities .

List the kind and quantity of things the farm can be expected to produce in an average year .

(T. C. McClary, "The Flooded Desert," Argosy,...)

He cleansed his mouth with a small quantity .

2
[ noun ] an adequate or large amount

Examples

"he had a quantity of ammunition"

Used in print

(Francis J. Johnston and John E. Willard, "The...)

Liter quantities of Mallinckrodt , low sulfur , reagent grade carbon_tetrachloride were saturated with * * f and * * f and illuminated for about 50 hours with a 1000 watt tungsten lamp at a distance of a_few inches .

(S. J. Perelman, The Rising Gorge. New York:...)

Likewise the ivory Chinese female figure known as a `` doctor lady '' ( provenance Honan ) ; a friend of mine removing her from the curio cabinet for inspection was felled as if by a hammer , but he had previously drunk a quantity of applejack .

3
[ noun ] (mathematics) something that has a magnitude and can be represented in mathematical expressions by a constant or a variable
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