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  • com
    com
    (on the internet) a top-level domain appearing as a suffix on domain names used for commercial establishments.
  • COM
    COM
    noun
    Comedy Central: a cable television channel.
  • com-
    com-
    a prefix meaning “with,” “together,” “in association,” and (with intensive force) “completely,” occurring in loanwords from Latin (commit ): used in the formation of compound words before b, p, m: combine; compare; commingle.
  • com.
    com.
    abbreviation
    comedy.
  • Com.
    Com.
    abbreviation
    Commander.
  • .com
    .com
    Part of the Internet address of many companies and organizations. It indicates that the site is commercial, as opposed to educational or governmental.

com

1 American  
[kom, see-oh-em] / kɒm, ˈsiˈoʊˈɛm /
  1. (on the internet) a top-level domain appearing as a suffix on domain names used for commercial establishments.


COM 2 American  
[kom] / kɒm /

noun

  1. Trademark. Comedy Central: a cable television channel.

  2. computer output on microfilm.


com- 3 American  
  1. a prefix meaning “with,” “together,” “in association,” and (with intensive force) “completely,” occurring in loanwords from Latin (commit ): used in the formation of compound words before b, p, m: combine; compare; commingle.


com. 4 American  

abbreviation

  1. comedy.

  2. comma.

  3. command.

  4. commander.

  5. commerce.

  6. commercial.

  7. commission.

  8. commissioner.

  9. committee.

  10. common.

  11. commonly.

  12. communications.


Com. 5 American  

abbreviation

  1. Commander.

  2. Commission.

  3. Commissioner.

  4. Committee.

  5. Commodore.

  6. Commonwealth.


Com. 1 British  

abbreviation

  1. Commander

  2. committee

  3. Commodore

"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

COM 2 British  
/ kɒm /

noun

    1. a process in which a computer output is converted direct to microfiche or film, esp 35 or 16 millimetre film

    2. ( as modifier )

      a COM machine

"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

com 3 British  

abbreviation

  1. a commercial company

"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

com- 4 British  

prefix

  1. together; with; jointly

    commingle

"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

.com Cultural  
  1. Part of the Internet address of many companies and organizations. It indicates that the site is commercial, as opposed to educational or governmental.


Discover More

The phrase dot-com is used to refer generically to almost anything connected to business on the Internet.

The explosive growth of wealth connected to the Internet in the 1990s is often said to have created many “dot-com millionaires.”

Etymology

Origin of com1

First recorded in 1980–85; shortening of commercial ( def. ) or company ( def. )

Origin of com-3

< Latin, variant of preposition cum with

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“I think that irrational exuberance that we saw in the dot com era … is just window dressing to cloak what, to me, is normalizing an addictive behavior in our society,” he said.

From MarketWatch May 19, 2026

There is a lot in the Bloomstran analysis for Berkshire watchers who want to get a good grasp of the com plex company amid the leadership transition.

From Barron's Feb. 26, 2026

Kirsty Tullett-Jones, director of marketing and communications for Discover Leicester Square, said it was "about time we added a rom com statue to the line-up".

From BBC Oct. 28, 2025

“Crypto dot com Arena? Staples Center is so stapled to my brain that I can’t call it anything else.”

From Los Angeles Times Nov. 6, 2024

Whenever I heard a car coming, I steered my bike smack into the cornfield and let the com silks tickle me while I waited for it to pass.

From Each Little Bird That Sings by Deborah Wiles

"Then we directly compared our simulations with other laboratory experiments that produce COMs under realistic astrophysical conditions. The results showed that COM formation is possible in both the protosolar nebula environment and Jupiter's circumplanetary disk."

From Science Daily Mar. 1, 2026

The first five steps, known as COM, or Chief of Mission, approval, are where the Afghan proves he or she actually did serve with American troops, and faces danger for having done so.

From Washington Times Feb. 28, 2022

Those are people who’d already cleared the COM step, meaning they were authentic allies.

From Washington Times Feb. 28, 2022

Once COM approval is in hand, applicants then must apply to Homeland Security’s citizenship agency, sending a new set of forms.

From Washington Times Feb. 28, 2022

"Why not talk to Lewis? Let's go to CAP- COM and ask her directly."

From "The Martian" by Andy Weir

First, the Act adopts the guaranteed issue and com- munity rating requirements.

From MSNBC Jun. 25, 2015

But during the  second half of 2008, the  belief  in higher com- modity prices vanished.

From MSNBC Jun. 4, 2014

The company’s walled- garden approach brought huge numbers of new users to networked com- puting in the United States.

From Scientific American Jun. 20, 2013

It was received with this same sense of urgency and hands-on involvement, starting an avalanche of critique, coding, collaboration, and com- mentary.

From Scientific American Jun. 18, 2013

It is a smiling com- bination, and it makes me happy.

From "The Unfinished Angel" by Sharon Creech

He said he was "trying to save his own skin. Last ditch dot com. Trying to save his own bacon".

From BBC Sep. 6, 2017

Embassy of Italy, 3000 Whitehaven St. NW. 202-612-4400. embassyexperiences. com. $79-$112.

From Washington Post Jun. 20, 2017

Convair has also started to build a military transport model of the plane, the C-99, expects it to carry 400 com. pletely equipped infantrymen.

From Time Magazine Archive

Looking at me, he said, “Shell a sack of com. Take one of the mules and go to the mill for your mother.”

From "Where the Red Fern Grows" by Wilson Rawls

“I’m inquiring about my sister. She was purchasing com. Did she by any chance come by here today?”

From "On the Far Side of the Mountain" by Jean Craighead George

At The Jim Henson Com. she has served as producer of animated series "Frances" and "The Skrumps," and was the executive producer on "Sid, the Science Kid."

From Reuters Jun. 13, 2010

But their most novel creation was the Trans-Pecos Chemical Com., which was not a company or a corporation but a "commonwealth."

From Time Magazine Archive

Parmen and the english Com. dedicated to M. Herlakinden. dl Psalm.

From An Exposition of the Last Psalme by Boys, Iohn

Com. in Foreign Languages, No. 7, Tokio, 1902, pp. 27-32.

From A Study of Recent Earthquakes by Davison, Charles

You should send it to the Reviewing Com. in the U.S.A. and ask their advice.

From Arohanui: Letters from Shoghi Effendi to New Zealand by Shoghi Effendi

This is especially true if AI is the suffix - the bit after the dot, such as .com or .co.uk.

From BBC Nov. 8, 2023

It also helps to donate money using a check or credit card, give only to websites with a .org rather than .com address and avoid automated messages requesting personal information, the agency added.

From Washington Times Mar. 4, 2022

On March 15, 1985, the first .com domain name was registered to a computer company out of Massachusetts named Symbolics.

From Salon Dec. 22, 2021

Why bother adding a .com to the end when you can usually get to what you’re looking for with an extra click?

From The Verge Oct. 1, 2021

I do a search, and it’s available—www.germmagazine .com.

From "All The Bright Places" by Jennifer Niven

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