com-

(redirected from co-, con-)
Also found in: Medical.

com-

(word root) with, together, in association
Examples of words with the root com-: combine
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

com-

or col- or con- or cor-
pref.
Together; with; joint; jointly: commingle.

[Middle English, from Latin, from Old Latin com; see kom in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

com-

or

con-

prefix
together; with; jointly: commingle.
[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)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

COM

(kɒm)

n.
Comedy Central (a cable television channel).

com-

,
a prefix occurring in loanwords from Latin, where it and its variants meant “with,” “together with,” and denoted joint or simultaneous action ( colloquy; confer; convene), partnership ( colleague), union ( coitus; colleat; combine), or enclosure (content), or marked the completed nature of the action of a verb (conclude; confection); com- is used before b, p, m (combine; compare; commingle).
For variants before other sounds, see co-, col-1, con-, cor-.
[< Latin cum with]

Com.

1. Commander.
2. Commission.
3. Commissioner.
4. Committee.
5. Commodore.
6. Commonwealth.

com.

1. comedy.
2. comma.
3. command.
4. commander.
5. commerce.
6. commercial.
7. commission.
8. commissioner.
9. committee.
10. common.
11. commonly.
12. communications.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.