noun A fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items.
You have to choose between quantity and quality.
noun An indefinite amount of something.
Some soap making oils are best as base oils, used in a larger quantity in the soap, while other oils are best added in a small quantity.
noun A specific measured amount.
This bag would normally cost $497.50 for a quantity of 250, at a price of $1.99 per piece.
noun A considerable measure or amount.
The Boeing P-26A was the first all-metal monoplane fighter produced in quantity for the U.S. Army Air Corps.
noun Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference.
noun Indicates that the entire preceding expression is henceforth considered a single object.
x plus y quantity squared equals x squared plus 2xy plus y squared.