domain Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “domain” in the English Dictionary

"domain" in British English

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domainnoun [C]

uk   /dəˈmeɪn/  us   /doʊ-/
  • domain noun [C] (AREA)

C1 an ​area of ​interest or an ​area over which a ​person has ​control: She ​treated the ​business as her ​private domain. These ​documents are in the ​public domain (= ​available to everybody).

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  • domain noun [C] (INTERNET)

specialized internet & telecoms a set of ​websites on the internet that end with the same ​letters, for ​example .com
(Definition of domain from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"domain" in American English

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domainnoun [C]

 us   /doʊˈmeɪn, də-/
  • domain noun [C] (INTEREST)

an ​area of ​interest or an ​area over which a ​person has ​control: the domain of ​polymerscience public and ​private domains
  • domain noun [C] (GROUP OF VALUES)

mathematics a ​group of all the ​possible replacements for a ​variable (= ​letter or ​symbol that ​represents any set of ​values)
(Definition of domain from the Cambridge Academic Content Dictionary © Cambridge University Press)

"domain" in Business English

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domainnoun [C]

uk   us   /dəʊˈmeɪn/
a particular ​interest, ​activity, or ​type of ​knowledge
a ​businessactivity that is ​controlled by a particular ​industry, ​group of ​people, etc.: Despite many ​advertisingagencies having ​moved into their domain, ​specialiseddirectmarketingagencies remain very ​competitive. Currency ​trading is usually the domain ofbigbanks. Boardroom decisions are the exclusive domain of ​companydirectors. the ​political/scientific domain
INTERNET a ​group of ​computers or ​websites that are ​organized by ​purpose, for ​example, to ​provideeducation or ​sellproducts: The ​organizationmet to discuss ​adding new '​top-level' domains, the ​globaldesignations such as .com and .gov.
(Definition of domain from the Cambridge Business English Dictionary © Cambridge University Press)
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“domain” in British English

“domain” in American English

“domain” in Business English

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