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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.

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COM ² American  

[kom] / kɒm /

noun

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

2. computer output on microfilm.

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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.

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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.

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Com. ⁵ American  

abbreviation

1. Commander.

2. Commission.

3. Commissioner.

4. Committee.

5. Commodore.

6. Commonwealth.

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Com. ¹ British  

abbreviation

1. Commander

2. committee

3. Commodore

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com ² British  

abbreviation

1. a commercial company

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COM ³ British  

/ kɒm /

noun

1. 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

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com- ⁴ British  

prefix

1. together; with; jointly

   commingle

---

.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.

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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

See Examples For:

com COM com- com. Com. .com

“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

We’ll see you back in your inbox tomorrow—and in the meantime, keep an eye out for our coverage of the third GOP debate on Slate dot com!

From Slate ● Nov. 8, 2023

The frost feathers holding me up, it became apparent, were maybe five inches thick and had the structural integrity of stale com bread.

From "Into the Wild" by Jon Krakauer

"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

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

“Gavin Rose was as com- . plete as they come.”

From "I Am the Messenger" by Markus Zusak

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

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

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

“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

Com. of House of Lords, 833; 841; 845; 854;report of Alliance conf, in Geneva, 862; 865; 869.McNaughton,

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

We bid you farewell, and God bless you, one and all, C. F. Morse, Lieutenant Colonel, Com.;

From A Narrative of Service with the Third Wisconsin Infantry by Julian Wisner Hinkley

To use the thought of Mr. Justice Dean, in Com. vs.

From Practical Argumentation by George K. Pattee

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

And Ms Battman adds that when it comes to the domain name, the sweet spot is definitely to get the ".com".

From BBC ● Sep. 1, 2021

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

From "All The Bright Places" by Jennifer Niven