Definition of domain name system in English:

domain name system

Syllabification: do·main name sys·tem

Entry from US English dictionary

(abbreviation: DNS)

noun

Computing
The system by which Internet domain names and addresses are tracked and regulated.

Definition of domain name system in:

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Word of the day humoresque
Pronunciation: ˌhjuːməˈrɛsk
noun
a short, lively piece of music