English Online Dictionary. What means **quantity**? What does **quantity** mean?

## English

### Etymology

From Middle English *quantite*, from Old French *quantité*, from Latin *quantitās* (“quantity”), from *quantus* (“how much”).

### Pronunciation

- (UK) IPA
^{(key)}: /ˈkwɒn.tɪ.ti/ - (US) IPA
^{(key)}: /ˈkwɑntɨti/, /ˈkwɑntɨɾi/, /ˈkwɑnɾɨɾi/, /ˈkwɑnɨɾi/- Note: This is with a relaxed middle T, and is only used in colloquial contexts by many speakers.

- (Canada) IPA
^{(key)}: /ˈkwɑndədi/, /ˈkwɑnɾəɾi/ - (obsolete) IPA
^{(key)}: /ˈkwæn.tɪ.ti/

### Noun

**quantity** (*countable and uncountable*, *plural* **quantities**)

- 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.

- 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**.*Olive oil can be used practically in any***quantity**.

- A specific measured amount.
*This bag would normally costs $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.

- 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.

- (metrology) Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference.
- (mathematics) Indicates that the entire preceding expression is henceforth considered a single object.
- x
*plus*y**quantity**squared equals*squared plus*2xy*plus*y*squared*.

**2006**, Jerome E. Kaufmann and Karen Schwitters,*Elementary and Intermediate Algebra: A Combined Approach*, p 89- For problems 58-67, translate each word phrase into an algebraic expression. […]
**65.**x plus 9, the**quantity**squared

- For problems 58-67, translate each word phrase into an algebraic expression. […]
**2005**, R. Mark Sirkin,*Statistics For The Social Sciences*, p137- The second, ${displaystyle (\sum x)^}$, read "summation of x, quantity squared," tells us to first add up all the xs to get ${displaystyle \sum x}$ and then square ${displaystyle \sum x}$ to get ${displaystyle (\sum x)^}$.

**1985**, Serge Lang,*Math!: Encounters with High School Students*, p54**ANN.**${displaystyle ra}$ quantity cubed.**SERGE LANG.**That's right, ${displaystyle (ra)^}$.

- x

#### Usage notes

- In mathematics, used to unambiguously orate mathematical equations; it is extremely rare in print, since there is no need for it there.

#### Synonyms

- Qty

#### Derived terms

- unknown quantity

#### Related terms

#### Translations

#### See also

- measure
- unit

### Further reading

- quantity in
*Webster’s Revised Unabridged Dictionary*, G. & C. Merriam, 1913. - quantity in
*The Century Dictionary*, New York, N.Y.: The Century Co., 1911. - quantity at
*OneLook Dictionary Search*