tertium-quid

tertium quid

[tur-shee-uhm kwid; Latin ter-ti-oom kwid]
noun
something related in some way to two things, but distinct from both; something intermediate between two things.

Origin:
1715–25; < Latin, translation of Greek tríton·ti some third thing

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To tertium-quid
Collins
World English Dictionary
tertium quid (ˈtɜːtɪəm ˈkwɪd)
 
n
an unknown or indefinite thing related in some way to two known or definite things, but distinct from both: there is either right or wrong, with no tertium quid
 
[C18: from Late Latin, rendering Greek triton ti some third thing]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

tertium quid
1724, from L., lit. "third something," loan-translation of Gk. triton ti (Plato), used in alchemy for "unidentified element present in a combination of two known ones."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature