English quantity
Pronunciation
• (British) IPA: /ˈkwɒn.tɪ.ti/
• (GA) enPR: kwŏnʹ(t)ĭtē, IPA: /ˈkwɑn(t)ɨti/, [ˈkʰwɑn(ɾ)ɨɾi], [ˈkʰwɑn(tʰ)ɨtʰi]
• (obsolete) IPA: /ˈkwæn.tɪ.ti/
Noun

quantity

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. 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.
3. 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.
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. (metrology) Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference.
6. (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.
• 2006, Jerome E. Kaufmann and Karen Schwitters, Elementary and Intermediate Algebra: A Combined Approach, [http://books.google.com/books?vid=ISBN0534490247&id=7RKsTaF92MgC&pg=PA89&lpg=PA89&dq=%22quantity+squared%22&sig=X7wk68CoTM4uHM4AIhpLKSYByRI#PPA90,M1 p 89]
For problems 58-67, translate each word phrase into an algebraic expression. […] 65. x plus 9, the quantity squared
• 2005, R. Mark Sirkin, Statistics For The Social Sciences, [http://books.google.com/books?vid=ISBN141290546X&id=67vpZ5VOj14C&pg=PA137&lpg=PA137&dq=%22quantity+squared%22&sig=PRz6Zbd10l0FeIbF9Zqw5LL8gYU#PPA137,M1 p137]
The second, (\sum x)^2, read "summation of x, quantity squared," tells us to first add up all the xs to get \sum x and then square \sum x to get (\sum x)^2.
• 1985, Serge Lang, Math!: Encounters with High School Students, p54 ↗
ANN. ra quantity cubed.
SERGE LANG. That's right, (ra)^3.
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