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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  

/ 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

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.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

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Example Sentences

See Examples For:

com COM com- com. Com. .com

The precious metal was likely pressured by rising energy costs and uncertainty surrounding the Federal Reserve’s coming decision, said XS.com com.

From The Wall Street Journal ● Oct. 22, 2026

“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

No sooner had he entered than Mormont’s raven flew at him demanding com.

From "A Dance with Dragons" by George R. R. Martin

"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

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

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

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

"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

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

“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

“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

History of the disease, especially in U.S., results of the work of Yellow Fever Com. description, life-history and habits of the mosquito, its relation to yellow fever, methods of control.

From Insects and Diseases A Popular Account of the Way in Which Insects may Spread or Cause some of our Common Diseases by Rennie Wilbur Doane

Com." large on his hat-band, rushed up to Carl, shook his hand busily, and inquired: "Freshman, old man?

From The Trail of the Hawk A Comedy of the Seriousness of Life by Sinclair Lewis

A good review of the work of the Yellow Fever Com. and the results of their work.

From Insects and Diseases A Popular Account of the Way in Which Insects may Spread or Cause some of our Common Diseases by Rennie Wilbur Doane

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

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