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Dictionary Language resources

subdomain

Syllabification: (sub·do·main)

Pronunciation: /ˈsəbdəmān/

Definition of subdomain

noun

chiefly technical

a subdivision of a domain:artificial intelligence is a hazily defined field with two related subdomains
Computing 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