different between plurality vs quantity

English

Etymology

plural +? -ity, from Middle English pluralite, from Old French pluralité (“multitude, state of being plural”), from Latin pl?r?lit?s.

Pronunciation

• Rhymes: -æl?ti

Noun

plurality (countable and uncountable, plural pluralities)

1. (uncountable) The state of being plural.
2. (ecclesiastical) The holding of multiple benefices.
   • 1644, John Milton, Aeropagitica:

     It was the complaint and lamentation of Prelats, upon every least breath of a motion to remove pluralities, and distribute more equally Church revennu's, that then all learning would be for ever dasht and discourag'd.

3. (countable) A state of being numerous.
4. (countable) A number or part of a whole which is greater than any other number or part, but not necessarily a majority.
5. (countable) A number of votes for a single candidate or position which is greater than the number of votes gained by any other single candidate or position voted for, but which is less than a majority of valid votes cast.
   • 1977 September 8, "Crime against clarity", editorial, Bangor Daily News, page 14 [1]:

     To repeal the tax (Question I), a 50 per cent majority vote is required. To keep the tax in its 1976 form (Question III), only a plurality of votes is required.

6. (countable) A margin by which a number exceeds another number, especially of votes.
   • 1948 December 10, "President Race Ignored by 683,382 Voters", The Deseret News, page A-2 [2]:

     Truman's total vote was 24,104,836. Dewey received 21,969,500; […] . Truman won by a plurality of 2,135,336, but it was the first time since 1916 that a winner has failed to capture a majority of all votes cast.

7. (countable) A group of many entities: a large number.

   A plurality of ideas were put forth at the meeting, most of which were rejected out of hand.

8. (countable) A group composed of more than one entity.
   • 1989, United States Patent 5065364, abstract:

     The array is organized into a plurality of vertical (column) blocks.

9. (of spouses) Polygamy.

Synonyms

• (state of being numerous): multiplicity
• (most votes in election, but less than 50%): relative majority, simple majority
• (ecclesiastical): pluralism

Antonyms

• singularity
• absolute majority

Translations

English

Etymology

From Middle English quantite, from Old French quantité, from Latin quantit?s (“quantity”), from quantus (“how much”).

Pronunciation

• (UK) IPA^(key): /?kw?n.t?.ti/
• (General American) enPR: kw?n?(t)?t?, IPA^(key): /?kw?n(t)?ti/, [?k?w?n(?)??i], [?k?w?n(t?)?t?i]
  • Note: This is with a relaxed middle T, and is only used in colloquial contexts by many speakers.
• (Canada) IPA^(key): /?kw?nd?di/, /?kw?n???i/
• (obsolete) IPA^(key): /?kwæn.t?.ti/

Noun

quantity (countable and uncountable, plural quantities)

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.

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.

3. A specific measured amount.

4. A considerable measure or amount.

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.
   • 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

   • 2005, R. Mark Sirkin, Statistics For The Social Sciences, p137

     The second, ${\displaystyle (\sum x)^{2}}$, 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 ${\displaystyle (\sum x)^{2}}$.

   • 1985, Serge Lang, Math!: Encounters with High School Students, p54

     ANN. ${\displaystyle ra}$ quantity cubed.

     SERGE LANG. That's right, ${\displaystyle (ra)^{3}}$.

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