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{{wiktionary|TM|.tm}}
'''TM''' or '''Tm''' and variants may refer to:
* [[Trademark]], often indicated with the symbol ™
** [[Trademark symbol]]

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==Businesses and organizations==
* [[TM Forum]], telecommunications and entertainment industry association
* [[TM Supermarket]], a chain of supermarkets in Zimbabwe
* [[LAM Mozambique Airlines]] (IATA airline designator TM)
* [[Telekom Malaysia]], telecommunications company
* [[Texas Mexican Railway]] (reporting mark TM)
* [[TM (cellular service)]], a telecommunications brand in the Philippines
* [[Toastmasters International]], an international public speaking organization
* [[Toyota Motor Corporation]] (NYSE symbol TM)
* [[Tokyo Metro]], one of the major subway systems of Tokyo

==Science and technology==

===Biology and medicine===
* Melting temperature (T<sub>m</sub>) in [[nucleic acid thermodynamics]], at which half of DNA strands are in the ssDNA state
* [[Transport maximum]], where concentration increase does not speed membrane traversal
* [[Transverse myelitis]], a neurological condition in which the spinal cord is inflamed
* [[Translational medicine]]
* [[TM domain]], a membrane-spanning protein domain

===Computing===
* [[.tm]], the Internet domain code for Turkmenistan
* [[Struct tm]], calendar time type in the C and C++ programming languages
* [[Traceability matrix]], in software development
* [[Translation memory]]
* [[Turing machine]], a hypothetical universal computing machine

===Physics and chemistry===
* [[Tm ligands]], a tridentate ligand used in coordination chemistry
* [[Melting point]] (abbreviated T<sub>m</sub>), in physics and materials science
* [[Thulium]], symbol Tm, a chemical element
* [[Transition metal]]
* [[Transverse mode|Transverse magnetic]] modes, in optics and wave theory

===Weapons===
* [[TM 65 mine]], a Finnish anti-tank mine
* TM series of Soviet and Russian anti-tank mines
** [[TM-41 mine]], a Soviet World War II mine
** [[TM-46 mine]], a Soviet post-war mine
** [[TM-57 mine]], a Soviet Cold War mine
** [[TM-62 series of mines]], a series of Soviet Cold War blast mines
** [[TM-83 mine]], a 1990s Russian mine
** [[TM-89 mine]], a 1990s Russian mine

===Other uses in science and technology===
* [[Thematic Mapper]], an Earth-observing sensor on a Landsat satellite
* [[Terametre]] (Tm), equal to 10<sup>12</sup> metres
* [[TM (triode)]] (from French {{Lang|fr|Telegraphie Militaire}}), standard small-signal vacuum tube of the Allies of World War I

==Other uses==
* ''[[Taskmaster (TV series)|''Taskmaster'' (TV series)]]'', a British TV comedy show adapted in several other countries.
* [[Thames Measurement]], a shipping tonnage measure
* ''Their Majesties'', for multiple monarchs each styled "His/Her [[Majesty]]"
* [[Torpedoman's mate]], a former rank of the U.S. Navy
* [[Transcendental Meditation]], a specific form of mantra meditation
* [[Trans-Manhattan Expressway]], a highway in New York City
* [[Turkmenistan]] (ISO country code TM)
* [[TrackMania]], a Nadeo game
* [[TM (album)|''TM'' (album)]], an album by Brockhampton
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