domain /doʊˈmeɪn/ noun
plural domains
plural domains
Learner's definition of DOMAIN
: the land that a ruler or a government controls : territory
see also eminent domain, public domain
: an area of knowledge or activity
often + of
: a section of the Internet that is made up of computers or sites that are related in some way (such as by use or source)
◊ An abbreviation of an Internet site's domain (such as .gov, .org, and .com) is included in its address:
: domain name
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