a name owned by a person or organization and consisting of an alphabetical or alphanumeric sequence followed by a suffix indicating the top-level domain: used as an Internet address to identify the location of particular Web pages:
Our domain name is the name of our school followed by .edu.
Origin
1990-1995
British Dictionary definitions for domain name
domain name
noun
1.
(computing) a unique name, corresponding to one or more numeric IP addresses, used to identify a particular web page or set of web pages on the internet
domain name in Science
domain name A series of alphanumeric strings that are separated by periods, such as www.hmco.com, that is an address of a computer network connection and that identifies the owner of the address.