TM

Look up TM, Tm, tm, or .tm in Wiktionary, the free dictionary.

TM or Tm and variants may refer to:

• Trademark, often indicated with the symbol ™

Businesses and organizations

• TM Forum, telecommunications and entertainment industry association
• TM Supermarket chain in Zimbabwe
• TM Television, a television broadcaster in Mongolia
• LAM Mozambique Airlines (IATA airline designator TM)
• Telekom Malaysia, telecommunication company
• Texas Mexican Railway (reporting mark TM)
• TM (cellular service), a telecommunications brand in the Philippines
• Toyota Motor Corporation (NYSE symbol TM)

Science and technology

Biology and medicine

• Melting temperature (T_m) 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

Computing

• .tm, the Internet domain code for Turkmenistan
• Struct tm, calendar time type in the C and C++ programming languages
• 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_m), in physics and materials science
• Thulium, a lanthanide chemical element with symbol Tm
• Transition metal
• Transverse Magnetic modes, in optics and wave theory

Weapons

• TM-65 mine, a Finnish anti-tank mine
• TM-, a series of Soviet and Russian anti-tank mines
  • TM-41 mine, a Soviet, World War II mine
  • TM-46 mine
  • TM-57 mine
  • TM-62 series of 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 10¹² metres

Other uses

• Their Majesties, for multiple monarchs each styled "His/Her Majesty"
• Torpedoman's Mate, a former rank of the U.S. Navy
• Trademark, often indicated with the symbol ™
• Transcendental Meditation, a specific form of mantra meditation