Quantity is a kind of property which exists as magnitude or multitude. It is among the basic classes of things along with quality, substance, change, and relation.

noun, plural -ties. 1. a particular or indefinite amount of anything: a small quantity of milk; the ocean's vast quantity of fish. 2. an exact or specified amount or measure: Mix ...

noun pl. quantities-·ties. an amount; portion; any indeterminate bulk, weight, or number; the exact amount of a particular thing; a great amount or number to buy a commodity in ...

quantity n. , pl. -tities . A specified or indefinite number or amount. A considerable amount or number: sells drugs wholesale and in quantity

noun, plural -ties. 1. a particular or indefinite amount of anything: a small quantity of milk; the ocean's vast quantity of fish. 2. an exact or specified amount or measure: Mix ...