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Definition of domain noun from the Oxford Advanced Learner's Dictionary

domain

noun
 OPAL W
 
/dəˈmeɪn/,
 
/dəʊˈmeɪn/
 
/dəʊˈmeɪn/
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  1.  
    an area of knowledge or activity; especially one that somebody is responsible for
    • Financial matters are her domain.
    • Physics used to be very much a male domain.
    • things that happen outside the domain of the home
    see also public domain
    Oxford Collocations Dictionaryadjective
    • private
    • public
    • Internet
    • …
    domain + noun
    • name
    • registration
    preposition
    • in a/​the domain
    • within a/​the domain
    • outside a/​the domain
    • …
    See full entry
  2.  
    (computing) a set of websites on the internet that end with the same group of letters, for example ‘.com’, ‘.org’
    • top-level domains
    Wordfinder
    Topics Phones, email and the internetc1
    Oxford Collocations Dictionaryadjective
    • private
    • public
    • Internet
    • …
    domain + noun
    • name
    • registration
    preposition
    • in a/​the domain
    • within a/​the domain
    • outside a/​the domain
    • …
    See full entry
  3. lands owned or ruled by a particular person, government, etc., especially in the past
    • The Spice Islands were within the Spanish domains.
    see also eminent domain
  4. (mathematics) the range of possible values of a particular variableTopics Maths and measurementc2
    5. Word Originlate Middle English (denoting heritable or landed property): from French domaine, alteration (by association with Latin dominus ‘lord’) of Old French demeine ‘belonging to a lord’, from Latin dominicus, from dominus ‘lord, master’.
See domain in the Oxford Advanced American DictionarySee domain in the Oxford Learner's Dictionary of Academic English
Check pronunciation: domain

Nearby words

given
adjective
 
 
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OPAL spoken words
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