Definition of DOMAIN

domain

Plural: domains

Noun

  • An area of control, influence, or knowledge.
  • a particular environment or walk of life
  • territory over which rule or control is exercised
    • "his domain extended into Europe"
  • (mathematics) the set of values of the independent variable for which a function is defined
  • people in general; especially a distinctive group of people with some shared interest
  • the content of a particular field of knowledge
  • A geographic area owned or controlled by a single person or organization.
  • A field or sphere of activity, influence or expertise.
  • A group of related items, topics, or subjects.
  • The set of input (argument) values for which a function is defined.
  • 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.
  • A ring with no zero divisors; that is, in which no product of nonzero elements is zero.
  • An open and connected set in some topology. For example, the interval (0,1) as a subset of the real numbers.
  • Any DNS domain name, particularly one which has been delegated and has become representative of the delegated domain name and its subdomains.
  • A collection of DNS or DNS-like domain names consisting of a delegated domain name and all its subdomains.
  • 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.
  • The collection of computers identified by a domain's domain names.
  • A small region of a magnetic material with a consistent magnetization direction.
  • Such a region used as a data storage element in a bubble memory.
  • A form of technical metadata that represent the type of a data item, its characteristics, name, and usage.
  • The highest rank in the classification of organisms, above kingdom; in the three-domain system, one of the taxa Bacteria, Archaea, or Eukaryota.
  • A folded section of a protein molecule that has a discrete function; the equivalent section of a chromosome.
  • An area of more or less uniform mineralization.

Examples

  • Dealing with complaints isn't really my domain: get in touch with customer services.
  • His domain is English history.
  • The center of the Words With Friends board was his domain, where he established control with long words.
  • The king ruled his domain harshly.

Origin / Etymology

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”). See dame, and compare demain, danger, dungeon. Doublet of demesne, domino.

Synonyms

area, arena, demesne, domain of a function, field, knowledge base, knowledge domain, land, orbit, sphere, world, domain name, domain of definition, dominium, hostname

Antonyms

codomain, range

Scrabble Score: 9

domain: valid Scrabble (US) TWL Word
domain: valid Scrabble Word in Merriam-Webster MW Dictionary
domain: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 11

domain: valid Words With Friends Word