• synonyms


[kuh-men-ser-uh-buh l, -sher-uh-]
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  1. having the same measure or divisor: The numbers 6 and 9 are commensurable since they are divisible by 3.
  2. suitable in measure; proportionate.
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Origin of commensurable

1550–60; < Late Latin commēnsūrābilis, equivalent to Latin com- com- + mēnsūrābilis (equivalent to mēnsūrā(re) (see commensurate) + -bilis -ble)
Related formscom·men·su·ra·bil·i·ty, com·men·su·ra·ble·ness, nouncom·men·su·ra·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for commensurable

Historical Examples

  • But the motives to action are, like the physical forces, commensurable.

    The English Utilitarians, Volume I.

    Leslie Stephen

  • "Abstinence" and labor have pain as a common element, and so are commensurable.

    The Value of Money

    Benjamin M. Anderson, Jr.

  • In arithmetic he was the first to expound the theory of means and of proportion as applied to commensurable quantities.


    Thomas Little Heath

  • In order that the punishments of different classes of crime may be proportional, the punishments should be commensurable.

  • He said he could not compare any sum of money with imprisonment—they were not commensurable quantities.

British Dictionary definitions for commensurable


  1. maths
    1. having a common factor
    2. having units of the same dimensions and being related by whole numbershours and minutes are commensurable
  2. well-proportioned; proportionate
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Derived Formscommensurability, nouncommensurably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for commensurable


1550s, from Late Latin commensurabilis "having a common measure," from com- "together with" (see com-) + Latin mensurabilis "that can be measured," from mensurare "to measure," from mensura "measure" (see measure (v.)).

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Online Etymology Dictionary, © 2010 Douglas Harper