domain

名词 n.
中文释义
英 /ˌdəʊˈmeɪ̯n/|/dəˈmeɪ̯n/    美 /ˌdoʊ̯ˈmeɪ̯n/|/dəˈmeɪ̯n/|/ˌdəʉ̯ˈmæ̝ɪ̯n/|/dəˈmæ̝ɪ̯n/

英文释义

名词 n.
  1. A geographic area owned or controlled by a single person or organization.
    — The king ruled his domain harshly.
  2. A field or sphere of activity, influence or expertise.
    — 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.
  4. The set of input (argument) values for which a function is defined.
  5. 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. broadly
  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. Any DNS domain name, particularly one which has been delegated and has become representative of the delegated domain name and its subdomains. Internet
    — 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. A collection of DNS or DNS-like domain names consisting of a delegated domain name and all its subdomains. Internet
  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. 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.
  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.

词形变化

domains plural

词汇关系

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

词源

Etymology tree
Proto-Indo-European *dem-
Proto-Indo-European *-s
Proto-Indo-European *dṓmder.
Proto-Italic *domanos
Latin dominus
Proto-Indo-European *-yós
Proto-Italic *-ios
Old Latin -ios
Latin -ius
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.
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