quantity

noun

1. 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.

   “You have to choose between quantity and quality.”

2. 2

   An indefinite amount of something.

   “Olive oil can be used practically in any quantity.”

3. 3

   A specific measured amount.

   “Generally it should not be used in a quantity larger than 15 percent.”

4. 4

   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.”

5. 5

   Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference.

6. 6

   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.”