TR or tr may stand for:
Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text.
Tramadol, sold under the brand name Ultram among others, is an opioid pain medication used to treat moderate to moderately severe pain.
Transport Layer Security (TLS) – and its predecessor, Secure Sockets Layer (SSL), which is now deprecated by the Internet Engineering Task Force (IETF) – are cryptographic protocols that provide communications security over a computer network.
Trinidad and Tobago ( ( listen), ), officially the Republic of Trinidad and Tobago, is a twin island sovereign state that is the southernmost nation of the West Indies in the Caribbean.
Paul Michael Levesque (born July 27, 1969), better known by the ring name Triple H (an abbreviation of his original WWE ring name Hunter Hearst Helmsley), is an American business executive, professional wrestler, and actor.
A trademark, trade mark, or trade-mark is a recognizable sign, design, or expression which identifies products or services of a particular source from those of others, although trademarks used to identify services are usually called service marks.
A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain.