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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.

---

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  

/ 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. ² British  

abbreviation

1. Commander

2. committee

3. Commodore

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com ³ British  

abbreviation

1. a commercial company

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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.

---

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

“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

Despite this, a new rom com musical about two twentysomething strangers meeting ahead of a wedding has impressed critics.

From BBC ● Apr. 24, 2024

Richard and I find the half-full barrel of com and cook up a large pot of hominy.

From "Blood on the River" by Elisa Carbone

"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

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

From Washington Times ● Feb. 28, 2022

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

"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

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

“Why didn’t you tell me you were com- ing? I would have a big party for you. Come in, come in, Marchese. You almost never visit us any more.”

From "Catch-22" by Joseph Heller

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

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

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. on Southern Race Questions, pp. 48-48, 1917.

From The Journal of Negro History, Volume 6, 1921 by Various

The initials Com. in the old copies led to the error.—Collier.

From A Select Collection of Old English Plays, Volume 9 by Various

Miss Anthony on, 152; 158;Senate Com. recom. 16th in '92, 201;14th grants wom. suff.,

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

But he adds: "Having said that, I still think over the long-term, .com domains will maintain their value better and for longer."

From BBC ● Aug. 31, 2025

Instead of .com, onion sites have a .onion suffix.

From Seattle Times ● Mar. 9, 2022

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

Some of them, like Match.com, eHarmony .com, and Yahoo!

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt