quantity

中文： 数量、量、数字、数目

1. 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. (countable, uncountable) · You have to choose between quantity and quality.
2. An indefinite amount of something. (countable, uncountable) · 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.· Olive oil can be used practically in any quantity.
3. A specific measured amount. (countable, uncountable) · This bag would normally cost $497.50 for a quantity of 250, at a price of $1.99 per piece.· Generally it should not be used in a quantity larger than 15 percent.
4. A considerable measure or amount. (countable, uncountable) · The Boeing P-26A was the first all-metal monoplane fighter produced in quantity for the U.S. Army Air Corps.
5. Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference. (countable, uncountable)
6. Indicates that the entire preceding expression is henceforth considered a single object. (countable, uncountable) · x plus y quantity squared equals x squared plus 2xy plus y squared.
7. Length of sounds. (countable, uncountable)

复数 quantities