different between quantity vs pulsation

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

Etymology

From Middle French pulsacion, and its source, Latin puls?ti? (“a beating or striking”).

Pronunciation

• (UK) IPA^(key): /p?l?se??n?/
• (US) IPA^(key): /p?l?se???n/
• Rhymes: -e???n

Noun

pulsation (countable and uncountable, plural pulsations)

1. The regular throbbing of the heart, an artery etc. in a living body; the pulse. [from 15th c.]
   • 1844, Edgar Allan Poe, ‘The Premature Burial’:

     Pulsation had ceased. For three days the body was preserved unburied, during which it had acquired a stony rigidity.

2. Any rhythmic beating, throbbing etc. [from 17th c.]
3. (now rare) Physical striking; a blow. [from 17th c.]

   • By the Cornelian law, pulsation as well as verberation is prohibited.

4. A single beat, throb or vibration. [from 19th c.]

Translations

Anagrams

• platinous

French

Etymology

From Latin puls?ti?.

Pronunciation

Noun

pulsation f (plural pulsations)

1. pulsation

Further reading

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