different between quantity vs substance

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

English

Alternative forms

• substaunce (archaic)

Etymology

From Middle English substance, from Old French substance, from Latin substantia (“substance, essence”), from subst?ns, present active participle of subst? (“exist”, literally “stand under”), from sub + st? (“stand”).

Pronunciation

• (US) IPA^(key): /?s?bst?ns/, [?s?bst?nts]

Noun

substance (countable and uncountable, plural substances)

1. Physical matter; material.
   • 1699, William Temple, Heads designed for an essay on conversations

     Study gives strength to the mind; conversation, grace: the first apt to give stiffness, the other suppleness: one gives substance and form to the statue, the other polishes it.

   Synonyms: matter, stuff

2. The essential part of anything; the most vital part.

   • Heroic virtue did his actions guide, / And he the substance, not the appearance, chose.

   • 1684-1690, Thomas Burnet, Sacred Theory of the Earth

     This edition is the same in substance with the Latin.

   • 1796, Edmund Burke, Letters on a Regicide Peace

     It is insolent in words, in manner; but in substance it is not only insulting, but alarming.

   Synonyms: crux, gist

3. Substantiality; solidity; firmness.

4. Material possessions; estate; property; resources.

   • And there wasted his substance with riotous living.
5. A form of matter that has constant chemical composition and characteristic properties.
6. Drugs (illegal narcotics)

   Synonyms: dope, gear

7. (theology) Hypostasis.

Synonyms

• (physical matter): See also Thesaurus:substance
• (essential part of anything): See also Thesaurus:gist
• (drugs): See also Thesaurus:recreational drug

Related terms

Translations

Verb

substance (third-person singular simple present substances, present participle substancing, simple past and past participle substanced)

1. (rare, transitive) To give substance to; to make real or substantial.

See also

• style

French

Etymology

Borrowed from Latin substantia (“substance, essence”), from subst?ns, present active participle of subst? (“exist”, literally “stand under”), from sub + st? (“stand”).

Pronunciation

• IPA^(key): /syp.st??s/
• Rhymes: -??s

Noun

substance f (plural substances)

1. substance

Derived terms

Further reading

• “substance” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• cubassent

Middle English

Etymology

From Old French substance.

Noun

substance

1. essence

Descendants

• English: substance

Old French

Alternative forms

• sostance, sustance

Etymology

Borrowed from Latin substantia.

Noun

substance f (oblique plural substances, nominative singular substance, nominative plural substances)

1. most essential; substantial part
2. existence

Related terms

• substantiel

Descendants