- Quantity is defined as an amount, measure or number.
An example of quantity is how many apples are in a barrel.

A quantity of apples in a barrel.

## quantity

noun

*pl.*quantities

- 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* - that property of anything which can be determined by measurement
- Logic that characteristic of a proposition according to which it is classified as universal or particular
- Math.
- a thing that has the property of being measurable in dimensions, amounts, etc. or in extensions of these which can be expressed in numbers or symbols
- a number or symbol expressing a mathematical quantity

- Phonet., Prosody the relative length, or duration, of a vowel, continuant consonant, or syllable

Origin of quantity

Middle English*quantite*; from Old French ; from Classical Latin

*quantitas*; from

*quantus,*how great ; from

*quam,*how, how much ; from Indo-European interrogative base an unverified form

*kwo-*from source who, what

## quantity

noun

*pl.*

**quan·ti·ties**

- a. A specified or indefinite number or amount:
*shipped a large quantity of books; sells quantities of paper to publishers.*b. A considerable amount or number:*sells drugs wholesale and in quantity.*c. An exact amount or number:*the quantity of material recycled in a month.* - The measurable or countable property or aspect of things:
*Arithmetic deals with quantity.* -
*Mathematics*Something that serves as the object of an operation. - a.
*Linguistics*The relative amount of time needed to pronounce a vowel, consonant, or syllable.b. The duration of a syllable in quantitative verse. -
*Logic*The exact character of a proposition in reference to its universality, singularity, or particularity.

Origin of quantity

Middle English*quantite*, from Old French, from Latin

*quantitās*

*, quantitāt-*, from

*quantus*,

*how great*; see

*k*in Indo-European roots.

^{w}o-## quantity

Noun

(*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*x*squared plus*2xy*plus*y*squared*.

- 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.

Abbreviations

Origin

From Latin *quantitas* (“quantity”), from *quantus* (“how much”).