Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “domain”

domain

noun [C]     /dəʊˈmeɪn/
a particular interest , activity , or type of knowledge
a business activity that is controlled by a particular industry , group of people , etc.: Despite many advertising agencies having moved into their domain, specialised direct marketing agencies remain very competitive . Currency trading is usually the domain of big banks . Boardroom decisions are the exclusive domain of company directors . the political / scientific domain → See also the private domain, the public domain
INTERNET a group of computers or websites that are organized by purpose , for example , to provide education or sell products : The organization met to discuss adding new ' top-level ' domains, the global designations such as . com and . gov .
(Definition of domain noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of domain

Definitions of “domain” in other dictionaries

Word of the Day

cookery

the skill or activity of preparing and cooking food

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More