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Dictionary

Words, grammatical forms and meanings linked to the ontology.

domain en · NOUN

Pronunciation

  • /dəˈmeɪ̯n/ (Canada, General-American)
  • [dəʊ̯ˈmeɪ̯n] (California) California Vowel Shift
  • /ˌdoʊ̯ˈmeɪ̯n/ (Canada, General-American)
  • /ˌdəʊˈmeɪ̯n/ (Received-Pronunciation)
  • /dəˈmæ̝ɪ̯n/ (Australia)
  • /ˌdəʉ̯ˈmæ̝ɪ̯n/ (Australia)
  • /dəˈmeɪ̯n/ (Received-Pronunciation)
  • /ɖoˈmeːn/ (South-Asia)
  • audio
  • /ˌdoʊ̯ˈmeɪ̯n/ (California)

Etymology

Etymology tree Proto-Indo-European *dem- Proto-Indo-European *-s Proto-Indo-European *dṓmder. Proto-Italic *domanos Latin dominus Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -iusnom. Latin -ium Latin dominiumder. Old French demainebor. Middle English demayne 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 demesne and dominium, and closely related to dominion and domino. See also dame, and compare demain, danger, dungeon.

Meanings

  1. A geographic area owned or controlled by a single person or organization.
    • 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. 2020 February 25, Christopher de Bellaigue, “The end of farming?”, in The Guardian:
    • The king ruled his domain harshly.
    • 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. 1954 February, Trevor Holloway, “Canada's Transcontinental Routes”, in Railway Magazine, page 128:
    • A blinded hermit in oblivion, disgraced Like Odysseus lost in Poseidon's endless domain In a realm devoid ov solace, I roam 2022, “Ov My Herculean Exile”, in Nergal, Tomasz Wróblewski (lyrics), Behemoth (music), Opvs Contra Natvram, performed by Behemoth:
  2. A field or sphere of activity, influence or expertise.
    • His domain is English history.
    • 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. 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, →DOI:
    • Dealing with complaints isn't really my domain: get in touch with customer services.
  3. A group of related items, topics, or subjects.
    • 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. 2012 January 14, Michael Riordan, “Tackling Infinity”, in American Scientist, volume 100, number 1, archived from the original on 30 Apr 2013, page 86:
  4. The set of input (argument) values for which a function is defined.
  5. (broadly, of a binary relation R between A and B) The set of input (argument) values for which a function is defined. ▸ 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.
  6. A ring with no zero divisors; that is, in which no product of nonzero elements is zero.
  7. An open and connected set in some topology. For example, the interval (0,1) as a subset of the real numbers.
  8. (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 https://web.archive.org/web/20060619063455/http://www.bind9.net/manual/bind/9.3.2/Bv9ARM.ch01.html Every name in the DNS tree is a domain, even if it is terminal, that is, has no subdomains.
  9. (Internet) A collection of DNS or DNS-like domain names consisting of a delegated domain name and all its subdomains.
  10. 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. The collection of computers identified by a domain's domain names.
  12. A small region of a magnetic material with a consistent magnetization direction.
  13. Such a region used as a data storage element in a bubble memory.
  14. (qualifier:data processing) A form of technical metadata that represent the type of a data item, its characteristics, name, and usage.
    • A characteristic of a field. A data domain specifies a data type and applies the minimum and maximum values allowed and other constraints. a. 2013, IBM, “IBM Terminology - terms D”, in 'IBM Software|Globalization|Terminology', retrieved 29 Dec 2013:
  15. The highest rank in the classification of organisms, above kingdom; in the three-domain system, one of the taxa Bacteria, Archaea, or Eukaryota.
  16. A folded section of a protein molecule that has a discrete function; the equivalent section of a chromosome.
  17. An area of more or less uniform mineralization.

Forms

SpellingFeaturesLabelsSource
domains Number=Plur lexicographic

Antonyms

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

Deriveds

minidomain · nondomain · principal ideal domain · synchronization domain · domain tasting · ordered integral domain · domainogram · glycodomain · Noetherian domain · Euclidean domain · time-domain analysis · value domain · biodomain · domain hacking · domain hack · domained · cytodomain · homeodomain · antidomain · ferroelectric domain · generic top-level domain · domain theory · exodomain · domain kiting · domain name service · domain of convergence · multidomain · macrodomain · time domain · phosphodomain · domain wall · chromodomain · almost Dedekind domain · domainome · megadomain · domain-specific language · superdomain · endodomain · interdomain · Bézout domain · domainwide · public domain · intradomain · microdomain · Dedekind domain · frequency domain · ecodomain · time-domain electromagnetic method · domain-joined · domain name · tetradomain · domain of discourse · flexodomain · monodomain · mid-domain effect · naked domain · cross-domain · unique factorization domain · domainness · domain name server · supradomain · vanity domain · protein domain · data domain · nanodomain · polydomain · domainer · flavodomain · domain-specific · didomain · power domain · domaining · eminent domain · pseudodomain · bidomain · oncodomain · time-domain reflectometer · heterodomain · second-level domain · time domain electromagnetics · transdomain · domainal · juxtadomain · ectodomain · domain logic · time-domain reflectometry · prodomain · domainless · time-domain averaging

Hyponyms

subdomain · top-level domain · source domain · application domain · target domain · integral domain

Relateds

dominion · domino · DNS · dominate

Synonyms

dominium (taxonomic rank) · hostname (collection of DNS names) · demesne (geographic area) · domain name (collection of DNS names) · domain of definition (where a function is defined)

Translations (223)

fi alue ((mathematics) an open and connected set) · fi domaini (collection of computers) · pl domena (a field or sphere of activity, influence or expertise) · fr domaine (a field or sphere of activity, influence or expertise) · it dominio (collection of computers) · de Domains (collection of DNS domain names) · pl domena (small region of magnetic material) · he תְּחוּם (geographic area owned or controlled by a single person or organization) · es esfera (a field or sphere of activity, influence or expertise) · fi alue ((mathematics) ring with no zero divisors) · ar نِطَاق ((taxonomy) highest-level grouping of organisms) · de Definitionsbereich ((mathematics) the set on which a function is defined) · gd àrainn-lìn (DNS domain name) · ka სამფლობელო (geographic area owned or controlled by a single person or organization) · ru во́тчина (a field or sphere of activity, influence or expertise) · pl dziedzina ((mathematics) the set on which a function is defined) · ru о́бласть (a field or sphere of activity, influence or expertise) · fi ala (a field or sphere of activity, influence or expertise) · gd àrainn-lìn (collection of computers) · ja 定義域 ((mathematics) the set on which a function is defined) · ka დომენი ((taxonomy) highest-level grouping of organisms) · is óðal ((mathematics) the set on which a function is defined) · ja 領域 ((mathematics) an open and connected set) · oc domeni ((mathematics) the set on which a function is defined) · it dominio (geographic area owned or controlled by a single person or organization) · ro domeniu ((mathematics) the set on which a function is defined) · uk доме́н (DNS domain name) · ja 始域 ((mathematics) the set on which a function is defined) · ro domeniu (geographic area owned or controlled by a single person or organization) · yue 域 ((taxonomy) highest-level grouping of organisms) · uk о́бласть (group of related items) · pl domena (collection of DNS domain names) · de Domain (collection of computers) · nn domene (a field or sphere of activity, influence or expertise) · ru ветвь (group of related items) · bg ца́рство (geographic area owned or controlled by a single person or organization) · ar مَجَال إِنْتَرْنَت (DNS domain name) · oc domeni de definicion ((mathematics) the set on which a function is defined) · fi suku (group of related items) · es dominio ((mathematics) the set on which a function is defined) · pl dziedzina (geographic area owned or controlled by a single person or organization) · fi alue (geographic area owned or controlled by a single person or organization) · ko 영역 ((mathematics) an open and connected set) · he תְּחוּם (a field or sphere of activity, influence or expertise) · cs definiční obor ((mathematics) the set on which a function is defined) · de Domäne (DNS domain name) · bg интерва́л на съществу́ване ((mathematics) the set on which a function is defined) · cmn 定義域 /定义域 ((mathematics) the set on which a function is defined) · he תְּחוּם הַגְדָּרָה ((mathematics) the set on which a function is defined) · cmn 域 ((taxonomy) highest-level grouping of organisms) · nl domein ((taxonomy) highest-level grouping of organisms) · nn domene ((taxonomy) highest-level grouping of organisms) · ru владе́ние (geographic area owned or controlled by a single person or organization) · it dominio (collection of information) · pl domena (collection of computers) · th เขต ((taxonomy) highest-level grouping of organisms) · pl dziedzina (a field or sphere of activity, influence or expertise) · de Gebiet (group of related items) · fi valtakunta (geographic area owned or controlled by a single person or organization) · cs doména (geographic area owned or controlled by a single person or organization) · vi tài sản (geographic area owned or controlled by a single person or organization) · el κλάδος (group of related items) · fa-ira قَلَمْرُوْ (geographic area owned or controlled by a single person or organization) · nb domene (a field or sphere of activity, influence or expertise) · es ámbito (a field or sphere of activity, influence or expertise) · ru сфе́ра (a field or sphere of activity, influence or expertise) · is formengi ((mathematics) the set on which a function is defined) · ca domini (geographic area owned or controlled by a single person or organization) · ko 정의역 ((mathematics) the set on which a function is defined) · de Gebiet (geographic area owned or controlled by a single person or organization) · kk домен (DNS domain name) · vi đất đai (geographic area owned or controlled by a single person or organization) · id ranah (a field or sphere of activity, influence or expertise) · fi alkeisalue (small region of magnetic material) · cmn 領域 /领域 (a field or sphere of activity, influence or expertise) · he תְּחוּם ((mathematics) an open and connected set) · fi luokka (group of related items) · vi lãnh thổ (a field or sphere of activity, influence or expertise) · ru о́бласть определе́ния ((mathematics) the set on which a function is defined) · pt campo (a field or sphere of activity, influence or expertise) · kmr jorecîhan ((taxonomy) highest-level grouping of organisms) · nb definisjonsmengde ((mathematics) the set on which a function is defined) · be дамэ́н (DNS domain name) · fi yläkunta ((taxonomy) highest-level grouping of organisms) · de Gebiet (a field or sphere of activity, influence or expertise) · fi domeeni ((taxonomy) highest-level grouping of organisms) · no definisjonsområde ((mathematics) the set on which a function is defined) · gd àrainn-lìn (collection of DNS domain names) · ja ドメイン ((taxonomy) highest-level grouping of organisms) · ko 도메인 (DNS domain name) · de Domain (collection of information) · sv domän (a field or sphere of activity, influence or expertise) · be дамэ́н ((taxonomy) highest-level grouping of organisms) · af domein ((taxonomy) highest-level grouping of organisms) · is skilgreiningarmengi ((mathematics) the set on which a function is defined) · fr domaine (DNS domain name) · bg импе́рия ((taxonomy) highest-level grouping of organisms) · fi ala (group of related items) · cs doména (a field or sphere of activity, influence or expertise) · de Domäne (geographic area owned or controlled by a single person or organization) · fr domaine (geographic area owned or controlled by a single person or organization) · it dominio ((mathematics) the set on which a function is defined) · el πεδίο ορισμού ((mathematics) the set on which a function is defined) · hu értelmezési tartomány ((mathematics) the set on which a function is defined) · pt domínio (DNS domain name) · fa-ira مَرْز (geographic area owned or controlled by a single person or organization) · vi tên miền (DNS domain name) · es dominio (folded section of a protein) · mi kainga (a field or sphere of activity, influence or expertise) · ab адомен (DNS domain name) · nb domene ((taxonomy) highest-level grouping of organisms) · de Wissensgebiet (collection of information) · pt domínio (a field or sphere of activity, influence or expertise) · vi lãnh địa (a field or sphere of activity, influence or expertise) · fi määrittelyjoukko ((mathematics) the set on which a function is defined) · fr domaine de définition ((mathematics) the set on which a function is defined) · de Bereich (group of related items) · fa-ira حُوْزِه (a field or sphere of activity, influence or expertise) · hu domén ((taxonomy) highest-level grouping of organisms) · af definisieversameling ((mathematics) the set on which a function is defined) · de Definitionsmenge ((mathematics) the set on which a function is defined) · it settore (a field or sphere of activity, influence or expertise) · pl domena (collection of information) · gd àrainn-lìn (collection of information) · fi alkeismagneetti (small region of magnetic material) · de Domäne ((taxonomy) highest-level grouping of organisms) · cmn 區域 /区域 ((mathematics) an open and connected set) · da definitionsmængde ((mathematics) the set on which a function is defined) · fa-ira گُسْتَرِه (geographic area owned or controlled by a single person or organization) · fi domeeni (folded section of a protein) · mi whaitua (geographic area owned or controlled by a single person or organization) · de Domäne (a field or sphere of activity, influence or expertise) · vi lãnh giới ((taxonomy) highest-level grouping of organisms) · ja ドメイン (DNS domain name) · pt domínio ((taxonomy) highest-level grouping of organisms) · kk үйшік (DNS domain name) · ko 역 ((taxonomy) highest-level grouping of organisms) · fa-ira دامَنِه ((taxonomy) highest-level grouping of organisms) · km វិស័យ ((taxonomy) highest-level grouping of organisms) · fi verkkotunnus (collection of DNS domain names) · fi toimialue (collection of computers) · ru о́бласть (group of related items) · fi verkkotunnus (DNS domain name) · de Bereich ((taxonomy) highest-level grouping of organisms) · pt área (a field or sphere of activity, influence or expertise) · fa-ira دامَنِه (DNS domain name) · sv definitionsmängd ((mathematics) the set on which a function is defined) · el τομέας (group of related items) · it dominio (DNS domain name) · ru доме́н (DNS domain name) · fi tontti (geographic area owned or controlled by a single person or organization) · pl dziedzina (group of related items) · cs panství (geographic area owned or controlled by a single person or organization) · vi vực ((taxonomy) highest-level grouping of organisms) · be даме́н ((taxonomy) highest-level grouping of organisms) · es dominio (geographic area owned or controlled by a single person or organization) · el επικράτεια ((taxonomy) highest-level grouping of organisms) · vi dinh cơ (geographic area owned or controlled by a single person or organization) · ro domeniu (a field or sphere of activity, influence or expertise) · fa-ira مَحْدودِه (geographic area owned or controlled by a single person or organization) · sv domän (DNS domain name) · bg доме́йн ((taxonomy) highest-level grouping of organisms) · uz soha (a field or sphere of activity, influence or expertise) · eo fonta aro ((mathematics) the set on which a function is defined) · ru доме́н (collection of computers) · cmn 域名 (DNS domain name) · vi không gian tên (DNS domain name) · pt domínio (geographic area owned or controlled by a single person or organization) · nn definisjonsmengd ((mathematics) the set on which a function is defined) · eo nomregno (DNS domain name) · fr domaine ((mathematics) the set on which a function is defined) · sv domän ((taxonomy) highest-level grouping of organisms) · my နယ်ပယ် ((taxonomy) highest-level grouping of organisms) · bg о́бласт (group of related items) · it campo (a field or sphere of activity, influence or expertise) · pt domínio ((mathematics) the set on which a function is defined) · nn domene (geographic area owned or controlled by a single person or organization) · de Domänen (collection of DNS domain names) · pt domínio (folded section of a protein) · uk га́лузь (group of related items) · de Domäne (collection of information) · he תְּחוּם ((mathematics) the set on which a function is defined) · pl domena ((taxonomy) highest-level grouping of organisms) · ko 령역 ((mathematics) an open and connected set) · bg владе́ние (geographic area owned or controlled by a single person or organization) · ba даирә (geographic area owned or controlled by a single person or organization) · uk доме́н ((taxonomy) highest-level grouping of organisms) · pt domínio (collection of DNS domain names) · eo domajno (DNS domain name) · el επικράτεια (geographic area owned or controlled by a single person or organization) · is frámengi ((mathematics) the set on which a function is defined) · nl domein (geographic area owned or controlled by a single person or organization) · fi domaini (collection of information) · fi verkkotunnus (collection of information) · nan-hbl 域 ((taxonomy) highest-level grouping of organisms) · fr domaine (folded section of a protein) · be даме́н (DNS domain name) · es dominio (DNS domain name) · de Domäne (folded section of a protein) · vi miền xác định ((mathematics) the set on which a function is defined) · cs doména ((taxonomy) highest-level grouping of organisms) · nb domene (geographic area owned or controlled by a single person or organization) · pt domínio (collection of computers) · ru доме́н ((taxonomy) highest-level grouping of organisms) · bg сфе́ра (a field or sphere of activity, influence or expertise) · tl saklaw ((mathematics) the set on which a function is defined) · pt domínio (group of related items) · de Domäne (collection of computers) · fa-ira دامَنِه ((mathematics) the set on which a function is defined) · et määramispiirkond ((mathematics) the set on which a function is defined) · de Bereich (a field or sphere of activity, influence or expertise) · de Bezirk (geographic area owned or controlled by a single person or organization) · vi tập xác định ((mathematics) the set on which a function is defined) · nn definisjonsmengde ((mathematics) the set on which a function is defined) · fi laji (group of related items) · it dominio (folded section of a protein) · fi proteiinidomeeni (folded section of a protein) · fi määrittelyalue ((mathematics) the set on which a function is defined) · ca àmbit (a field or sphere of activity, influence or expertise) · bg о́бсег (a field or sphere of activity, influence or expertise) · pl domena (DNS domain name) · de Domain (DNS domain name) · got 𐍆𐍂𐌰𐌿𐌾𐌹𐌽𐌰𐍃𐍃𐌿𐍃 (geographic area owned or controlled by a single person or organization)