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Noun: domain  dow'meyn [N. Amer], du'meyn [Brit]
  1. A particular environment or walk of life
    "his social domain is limited";
    - sphere, area, orbit, field, arena
  2. Territory over which rule or control is exercised
    "his domain extended into Europe";
    - demesne, land
  3. (mathematics) the set of values of the independent variable for which a function is defined
    - domain of a function
  4. People in general; especially a distinctive group of people with some shared interest
    "the Western domain";
    - world
  5. The content of a particular field of knowledge
    - knowledge domain, knowledge base

Derived forms: domains

Type of: class, cognitive content, content, environment, mental object, region, set, social class, socio-economic class, stratum

Part of: country, land, state

Encyclopedia: Domain, Manitoba