(n.) The attribute of being so much, and not more or less; the property of being measurable, or capable of increase and decrease, multiplication and division; greatness; and more concretely, that which answers the question "How much?"; measure in regard to bulk or amount; determinate or comparative dimensions; measure; amount; bulk; extent; size.
QUANTITY
Meaning of QUANTITY in English
Webster's English dictionary. Английский словарь Webster. 2012