Quantity vs Measurand  What's the difference?
quantity  measurand 
As nouns the difference between quantity and measurand is that quantity is 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 while measurand is a quantity intended to be measured.
Other Comparisons: What's the difference?
quantity Noun
( 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 P26A was the first allmetal 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 .
* 2006 , Jerome E. Kaufmann and Karen Schwitters, Elementary and Intermediate Algebra: A Combined Approach , p 89
 For problems 5867, 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, $(\backslash sum\; x)^2$, read "summation of x, quantity squared," tells us to first add up all the xs to get $\backslash sum\; x$ and then square $\backslash sum\; x$ to get $(\backslash sum\; x)^2$.
* 1985 , Serge Lang, Math!: Encounters with High School Students , p54
 ANN. $ra$ quantity cubed.
 SERGE LANG. That's right, $(ra)^3$.
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
Related terms
* quantifier
* quantify
* quantitate
* quantitative
* quantum
* quanta
* qualitas
See also
* measure
* unit
External links
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measurand English
Noun
( en noun)
A quantity intended to be measured.
(engineering) An object being measured.

