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[proh-pree-uh m] /ˈproʊ pri əm/
noun, plural propria [proh-pree-uh] /ˈproʊ pri ə/ (Show IPA). Logic.
a nonessential property common to all the members of a class; attribute. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for proprium
Historical Examples
  • The predicate must either be Genus, or proprium, or Accident, of its subject.

    Aristotle George Grote
  • It is a proprium per se of man to be an animal by nature tractable.

    Aristotle George Grote
  • Thus, if it be proprium of man to be a walking-biped, it must also be proprium of bird to be a flying-biped.

    Aristotle George Grote
  • Thus, he may predicate biped as a proprium always belonging to man.

    Aristotle George Grote
  • Pulchr is not proprium of just; therefore, pulchrum is not proprium of justum.

    Aristotle George Grote
  • If A be really a proprium of superficies, it cannot be also proprium of body.

    Aristotle George Grote
  • Learning is an accident in man, though educability is a proprium.

  • But this is a proprium of the second kind, which follows by way of causation.

  • What Swedenborg calls 'selfhood,' the proprium, is not in him.

  • That he wears a yellow robe is a proprium, derivable from the ceremonial of his court.

    Logic Carveth Read
British Dictionary definitions for proprium


(logic, obsolete) Also called property. an attribute that is not essential to a species but is common and peculiar to it
Word Origin
C16: Latin, neuter sing of proprius proper, own
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
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