Simple past tense and past participle of dot.(verb)
Of a line, made up of a series of dots.(adjective)
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Use "dotted" in a sentence
"When a user types an address, such as telegraph.co.uk, the request is first sent to a DNS server which translates the human-readable address into a computer-readable one known as a "dotted quad"."
"IP address for the destination network in dotted decimal notation."
"An IP address in dotted decimal notation to be associated with the hardware address in the ARP cache."