subdomain

[计] 子区域

发音

UK

词形变化

subdomains 复数 subdomains

释义与例句

n.
  1. 1.

    A domain or sphere that is part of a larger domain or sphere.

  2. 2.

    A domain name that has been prefaced with additional parts separated with periods.

    A domain is a subdomain of another domain if it is contained within that domain. This relationship can be tested by seeing if the subdomain's name ends with the containing domain's name. For example, A.B.C.D is a subdomain of B.C.D, C.D, D, and " ".

    Every name in the DNS tree is a domain, even if it is terminal, that is, has no subdomains. Every subdomain is a domain and every domain except the root is also a subdomain.

  3. 3.

    An additional part prefaced to a domain name.

    In en.wiktionary.org, en is a subdomain.

词源

From sub- + domain.

来源：wiktionary