Definition of subdomain in English:

subdomain

noun

technical
  • 1A subdivision of a domain.

    ‘artificial intelligence is a hazily defined field with two related subdomains’
    • ‘A strong correlation was found in previous work between the stability of the intact protein and the affinity between its two subdomains.’
    • ‘Intimate partner violence is an important subdomain of such behavior.’
    • ‘It can often be difficult or impossible to determine the amount of computation required by a subdomain of a problem.’
    • ‘In 67 (19%) cases, these estimates were selected from two or more reported results within a single subdomain based on rules delineated in the methods section.’
    • ‘This would produce an amino-terminal truncated protein, lacking an essential subdomain required for protein kinase activity.’
    1. 1.1Computing
      An Internet domain which is part of a primary domain.
      ‘within the .us domain, there are subdomains for the fifty states’
      ‘mail.google.com is a subdomain of google.com’
      • ‘Subdomains are a vital part of the Internet but require some technical know-how to implement them on your server.’
      • ‘The dot-kids-dot-us is sort of a subdomain of dot-us.’
      • ‘Or, if you don't want to pay to register a domain, and you have a friend who's into DNS, you could ask for a subdomain of one of his or her domains.’
      • ‘And what of all the hundreds of ISPs that offer as a service the inclusion of a subdomain on your acquired domain?’
      • ‘If you operate a web site and wish to link to this site, you may link only to the home page of the site and not to any other page or subdomain of us.’

Pronunciation:

subdomain

/ˈsəbdə(ʊ)meɪn/