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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

The statue is the first to celebrate a rom com on Leicester Square's Scenes in the Square trail.

From BBC Nov. 17, 2025

And stay tuned to Slate dot com for coverage of the verdict.

From Slate Nov. 2, 2023

The child was curled asleep on a sheaf of ripe com, with gold and swords heaped round about him.

From "Beowulf: A New Telling" by Robert Nye

"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

According to the latest State Department data covering last summer, it took more than 300 days to win COM approval.

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

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

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

The MSS was once thought to be cautious, stealing America’s technology secrets by debriefing Chinese scientists or hacking into com- puter systems.

From MSNBC Nov. 7, 2017

Prodigies like Arnold  were the superstars of the industry, com- manding respect as a  result  of  the  enormous  sums  of  money they’d  made.

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

The S.O.E. gave Poulsson’s team cash, and the men went from store to store in London buying winter clothing, warm sleeping bags, tents, and com- passes.

From "Bomb" by Steve Sheinkin

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

“Goodman Whittlesley, will you repeat your com. plaint for this assembly?”

From "The Witch of Blackbird Pond" by Elizabeth George Speare

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

Com. la. illum locum.401.Epist. to the Pastors of the Church of Scotland.402.Com. in 1 Cor. viii. 9.403.Lib.

From The Works of Mr. George Gillespie (Vol. 1 of 2) by George Gillespie

Com. report, 53;Sen. Palmer on, 63; 133; 134; 191;Miss Anthony on, 325; 207; 242; 306;in public sentiment, 349;in the South, 362; 369;social, educat'l, etc.,

From The History of Woman Suffrage, Volume IV by Ida Husted Harper

Com. in Rom. xv. 1.434.Serm. on John xvi.

From The Works of Mr. George Gillespie (Vol. 1 of 2) by George Gillespie

During the dot-com bubble, many companies discovered they could double the price of their stock simply by adding .com, .net, or internet to their names.

From Salon Jan. 2, 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

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

"While a .com domain isn't always necessary, it makes life so much easier in the long run," she says.

From BBC Sep. 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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