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domain

From Wiktionary, the free dictionary
See also: Domain

English

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Etymology

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From Middle English demayne, demain (“rule”), from Old French demeine, demaine, demeigne, domaine (“power”), (French domaine), from Latin dominium (“property, right of ownership”), from dominus (“master, proprietor, owner”). Doublet of demesne and dominium, and closely related to dominion and domino. See also dame, and compare demain, danger, dungeon.

Pronunciation

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Noun

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domain (plural domains)

  1. A geographic area owned or controlled by a single person or organization.
    The king ruled his domain harshly.
    • 1954 February, Trevor Holloway, “Canada's Transcontinental Routes”, in Railway Magazine, page 128:
      Bears and other ferocious beasts resented man's intrusion into their domain; so, too, did the Blackfoot Indians and other tribes, whose savage hostility was a constant menace to the lives of the toiling engineers.
    • 2020 February 25, Christopher de Bellaigue, “The end of farming?”, in The Guardian‎[1]:
      Farmers account for just 1.5% of the British population, but the size of their domain – 71% of the country’s surface area is classified as farmland – has given them power over the public imagination.
    • 2022, “Ov My Herculean Exile”, in Nergal, Tomasz Wróblewski (lyrics), Behemoth (music), Opvs Contra Natvram, performed by Behemoth:
      A blinded hermit in oblivion, disgraced
      Like Odysseus lost in Poseidon's endless domain
      In a realm devoid ov solace, I roam
  2. A field or sphere of activity, influence or expertise.
    Dealing with complaints isn't really my domain: get in touch with customer services.
    His domain is English history.
    • 2025 August 13, Müjdat Erarkadaş, Kübra Özmeral Erarkadaş, Şahika Gülen Şişmanlar, “Autism Spectrum Disorder Beyond Childhood: A Comprehensive Assessment of Activities of Daily Living and Social Functioning in Turkish Adults.”, in Journal of Autism and Developmental Disorders‎[2], →DOI:
      When examining studies that assess independent living and social skills—key areas of focus in adulthood for individuals with ASD—it is observed that most research evaluates only one of these domains, either activities of daily living or social functioning.
  3. A group of related items, topics, or subjects.
    • 2012 January, Michael Riordan, “Tackling Infinity”, in American Scientist‎[3], volume 100, number 1, archived from the original on 30 April 2013, page 86:
      Some of the most beautiful and thus appealing physical theories, including quantum electrodynamics and quantum gravity, have been dogged for decades by infinities that erupt when theorists try to prod their calculations into new domains. Getting rid of these nagging infinities has probably occupied far more effort than was spent in originating the theories.
  4. (mathematics, set theory) The set of input (argument) values for which a function is defined.
    1. (more generally, of a binary relation R between A and B) The set A; The subset of A consisting of elements a of A such that there exists an element b in B with (a,b) in R.
  5. (mathematics) A ring with no zero divisors; that is, in which no product of nonzero elements is zero.
    Hyponym: integral domain
  6. (mathematics, topology, mathematical analysis) An open and connected set in some topology. For example, the interval (0,1) as a subset of the real numbers.
  8. (computing, Internet) Any DNS domain name, particularly one which has been delegated and has become representative of the delegated domain name and its subdomains.
    • 2000, BIND 9 Administrator Reference Manual (9.3.2), Internet Software Consortium [4]
      Every name in the DNS tree is a domain, even if it is terminal, that is, has no subdomains.
  9. (computing, Internet) A collection of DNS or DNS-like domain names consisting of a delegated domain name and all its subdomains.
  10. (computing) A collection of information having to do with a domain, the computers named in the domain, and the network on which the computers named in the domain reside.
  11. (computing) The collection of computers identified by a domain's domain names.
  12. (physics) A small region of a magnetic material with a consistent magnetization direction.
  13. (computing) Such a region used as a data storage element in a bubble memory.
  14. (data processing) A form of technical metadata that represent the type of a data item, its characteristics, name, and usage.
    • a. 2013, IBM, “IBM Terminology - terms D”, in 'IBM Software|Globalization|Terminology'‎[5], retrieved 29 December 2013:
      A characteristic of a field. A data domain specifies a data type and applies the minimum and maximum values allowed and other constraints.
  15. (taxonomy) The highest rank in the classification of organisms, above kingdom; in the three-domain system, one of the taxa Bacteria, Archaea, or Eukaryota.
  16. (biochemistry) A folded section of a protein molecule that has a discrete function; the equivalent section of a chromosome.
  17. (geology) An area of more or less uniform mineralization.

Usage notes

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  • (collection of information): Used in a context in which domain name services, or kindred services, are managed in a fashion that is integrated with the management of other computer and network related information.
  • (collection of computers): Used in the same context as the collection of information domain sense.

Synonyms

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Antonyms

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  • (antonym(s) of “domain of definition of a function”): range
  • (antonym(s) of “domain of definition of a function”): codomain

Hyponyms

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Derived terms

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Translations

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Further reading

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Anagrams

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Indonesian

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Indonesian Wikipedia has an article on:
Wikipedia id

Etymology

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From English domain, from Middle English demayne, demain (“rule”), from Old French demeine, demaine, demeigne, domaine (“power”), (French domaine), from Latin dominium (“property, right of ownership”), from dominus (“master, proprietor, owner”). Doublet of dame.

Pronunciation

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Noun

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domain (plural domain-domain)

  1. domain
    1. (geography) a geographic area owned or controlled by a single person or organization.
      Synonyms: daerah, ranah, wilayah
    2. (computing, Internet) DNS domain name
    3. (mathematics) the set on which a function is defined
    4. (mathematics) ring with no zero divisors
    5. (taxonomy) highest-level grouping of organisms
    6. (biochemistry) folded section of a protein

Alternative forms

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Hyponyms

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Further reading

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Old Irish

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Alternative forms

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Etymology

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From Proto-Celtic *dubnis, a variant form of *dubnos (“world, deep”), from Proto-Indo-European *dʰubʰnós.

Pronunciation

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  • IPA(key): /ˈd̪o.β̃ənʲ/
    • (Blasse) [ˈd̪o.β̃ɪnʲ]
    • (Griffith) [ˈd̪o.β̃ɨnʲ]

Adjective

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domain (comparative domnu)

  1. deep

Declension

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i-stem
singular masculine feminine neuter
nominative domain domain domain
vocative domain
accusative domain domain
genitive domain domnae domain
dative domain domain domain
plural masculine feminine/neuter
nominative domnai domnai
vocative domnai
accusative domnai
genitive domain*
domnae
dative domnaib

*not when substantivized

Derived terms

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Descendants

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  • Irish: domhain
  • Manx: dowin
  • Scottish Gaelic: domhainn

Mutation

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Mutation of domain
radical lenition nasalization
domain domain
pronounced with /ð-/		 ndomain

Note: Certain mutated forms of some words can never occur in Old Irish.
All possible mutated forms are displayed for convenience.

Further reading

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Spanish

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Pronunciation

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  • IPA(key): /doˈmein/ [d̪oˈmẽĩn]
  • Rhymes: -ein
  • Syllabification: do‧main

Noun

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domain m (plural domains)

  1. (Internet) domain
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