Initialism of Russia Today; an international news network.

Abbreviation of right.

Abbreviation of route. / (Internet) Abbreviation of retweet.

(American and Canadian football) Initialism of right tackle. / (knitting) Initialism of right twist. / (Internet) Initialism of retweet. / (sciences) Initialism of response time.

Initialism of retweet.

(computing) Initialism of real-time.

plural of RT

plural of rt

(mail) Initialism of return to sender. Used on a misaddressed envelope to have the post office return the letter to the sender.

(operations) Initialism of return to service.