Meaning & Definition of word "Domain"

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    Domain

    /dəʊˈmeɪn/

    noun:

    • 1. An area of knowledge, influence, or activity.
      • Example: She has extensive knowledge in the domain of microbiology.
    • 2. A set of related files or resources in a network, often under the control of a single organization.
      • Example: The website is hosted on a private domain that is managed by the company.
    • 3. In mathematics, a specified set of values, especially those that can be input into a function.
      • Example: The domain of the function includes all real numbers greater than zero.
    • 4. The territory over which a sovereign rules, a realm.
      • Example: The king expanded his domain through conquest and diplomacy.
    • 5. A specific area of control or influence.
      • Example: The new policy will impact various domains including education and health care.

    Etymology

    Middle English, from Latin 'dominium' meaning 'ownership, lordship'.

    Common Phrases and Expressions

    in the domain of:

    within a particular field or area of knowledge.

    domain name:

    a unique name that identifies an internet resource.

    public domain:

    works that are free of copyright restrictions.

    Related Words

    domain name:

    a unique identifier for a website on the internet.

    dominium:

    Latin term meaning ownership or domain.

    Slang Meanings of domain

    Meaning: To take control over a situation or subject.

    Example Sentence: He totally domained that conversation.

    Meaning: To own something outright.

    Example Sentence: She can domain that car; it's hers completely.