proprium

[ proh-pree-uh m ]
/ ˈproʊ pri əm /

noun, plural pro·pri·a [proh-pree-uh] /ˈproʊ pri ə/. Logic.

a nonessential property common to all the members of a class; attribute.
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British Dictionary definitions for proprium

proprium
/ (ˈprəʊprɪəm) /

noun

Also called: property logic obsolete an attribute that is not essential to a species but is common and peculiar to it

Word Origin for proprium

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