What do a.m. and p.m. stand for?


variant of com- before a consonant (except b, h, l, p, r) and, by assimilation, before n: convene; condone; connection.
Origin of con-
< Latin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for con-
  • With a salad and a simple dessert, this is a weeknight menu con brio.
  • Clearly the biggest con is society filled with superficial thinkers who are ruled by personal prejudices.
  • Have you people not realised that money is the biggest con of all.
  • On the other hand what people said before is not a relevant argument in the current situation, either pro or con.
  • Ask them to provide specific examples for their pro and con statements, based on the things they have read in their research.
  • The real point is that the notion of electronic devices protecting the environment is one of the biggest con-jobs of our age.
  • Therefore being valued as faculty may also include who can be the biggest operator con-artist in the nanny-state.
British Dictionary definitions for con-


together; with; jointly: commingle
Word Origin
from Latin com-; related to cum with. In compound words of Latin origin, com- becomes col- and cor- before l and r, co- before gn, h, and most vowels, and con- before consonants other than b, p, and m. Although its sense in compounds of Latin derivation is often obscured, it means: together, with, etc (combine, compile); similar (conform); extremely, completely (consecrate)


a variant of com-
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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Word Origin and History for con-

word-forming element meaning "together, with," sometimes merely intensive; the form of com- used in Latin before consonants except -b-, -p-, -l-, -m-, or -r-. In native English formations, co- tends to be used where Latin would use con- (e.g. costar).

Online Etymology Dictionary, © 2010 Douglas Harper
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con- in Medicine

con- pref.
Variant of com-.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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