TM or Tm and variants may refer to: *

Trademark A trademark (also written trade mark or trade-mark) is a type of intellectual property consisting of a recognizable sign, design, or expression that identifies products or services from a particular source and distinguishes them from oth ...

, often indicated with the symbol ™ ** Trademark symbol

Businesses and organizations

* TM Forum, telecommunications and entertainment industry association *

TM Supermarket TM Supermarket is a chain of supermarkets in Zimbabwe. They have branches in all cities and in most Zimbabwean towns. They are a part of the Meikles group of companies, though Pick n Pay Stores, a South African retailer, took control of 49% of TM Su ...

, a chain of supermarkets in Zimbabwe *

LAM Mozambique Airlines LAM - Mozambique Airlines, S. A. (LAM - Linhas Aéreas de Moçambique, S. A.) or Linhas Aéreas de Moçambique, Ltd., operating as LAM Mozambique Airlines ( pt, LAM Linhas Aéreas de Moçambique), is the flag carrier of Mozambique. The airlin ...

(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 Toastmasters International (TI) is a US-headquartered nonprofit educational organization that operates clubs worldwide for the purpose of promoting communication, public speaking, and leadership. History The organization grew out of a single ...

, an international public speaking organization *

Toyota Motor Corporation is a Japanese multinational automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on . Toyota is one of the largest automobile manufacturers in the world, producing about 10 m ...

(NYSE symbol TM) *

Tokyo Metro The is a major rapid transit system in Tokyo, Japan, operated by the Tokyo Metro Co. With an average daily ridership of 6.84 million passengers, the Tokyo Metro is the larger of the two subway operators in the city; the other being the Toe ...

, one of the major subway systems of Tokyo

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 * Translational medicine

Computing

.tm .tm is the Internet country code top-level domain (ccTLD) for Turkmenistan. It is operated by Internet Computer Bureau. Nic.tm offers domain name purchase, registration, management and renewal as well as Internationalized Domain Name registrati ...

, the Internet domain code for Turkmenistan *

Struct tm The C date and time functions are a group of functions in the standard library of the C programming language implementing date and time manipulation operations. They provide support for time acquisition, conversion between date formats, and form ...

, calendar time type in the C and C++ programming languages *

Traceability matrix In software development, a traceability matrix (TM) is a document, usually in the form of a table, used to assist in determining the completeness of a relationship by correlating any two baselined documents using a many-to-many relationship com ...

, in software development * Translation memory *

Turing machine A Turing machine is a mathematical model of computation describing an abstract machine that manipulates symbols on a strip of tape according to a table of rules. Despite the model's simplicity, it is capable of implementing any computer algor ...

, a hypothetical universal computing machine

Physics and chemistry

Tm ligands In coordination chemistry, Tm is an abbreviation for anionic tridentate ligand based on three imidazole-2- thione groups bonded to a borohydride center. They are examples of scorpionate ligands. Various ligands in this family are known, differing i ...

, a tridentate ligand used in coordination chemistry *

Melting point The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends ...

(abbreviated T_m), in physics and materials science * Thulium, symbol Tm, a chemical element *

Transition metal In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and less often group 3) are sometimes excluded. They are the elements that c ...

Transverse Magnetic A transverse mode of electromagnetic radiation is a particular electromagnetic field pattern of the radiation in the plane perpendicular (i.e., transverse) to the radiation's propagation direction. Transverse modes occur in radio waves and microwav ...

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 The TM-46 mine is a large, circular, metal-cased Soviet anti-tank mine. It uses either a pressure or tilt-rod fuze, which is screwed into the top. Anti-tank mines with this type of fuze were capable of inflicting much more damage to armored v ...

, a Soviet post-war mine **

TM-57 mine A TM-57 with a tilt-rod fuze The TM-57 mine is a large, circular Soviet metal-cased blast anti-tank mine. It can either be triggered by a pressure or a tilt-rod fuze. A development of the TM-46 mine, it is found in Africa, the Middle East, a ...

, 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 10¹² metres *

TM (triode) The TM (from french: Telegraphie Militaire, also marketed as ''TM Fotos'' and ''TM Metal'') was a triode vacuum tube for amplification and demodulation of radio signals, manufactured in France from November 1915 to around 1935. The TM, developed ...

(from French ), standard small-signal vacuum tube of the Allies of World War I

People

Theresa May Theresa Mary May, Lady May (; née Brasier; born 1 October 1956) is a British politician who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from 2016 to 2019. She previously served in David Cameron's cabi ...

is sometimes referred to as TM

Other uses

* Thames Measurement, a shipping tonnage measure * ''Their Majesties'', for multiple monarchs each styled "His/Her

Majesty Majesty (abbreviated HM for His Majesty or Her Majesty, oral address Your Majesty; from the Latin ''maiestas'', meaning "greatness") is used as a manner of address by many monarchs, usually kings or queens. Where used, the style outranks the s ...

" * Torpedoman's mate, a former rank of the U.S. Navy *

Transcendental Meditation Transcendental Meditation (TM) is a form of silent mantra meditation advocated by the Transcendental Meditation movement. Maharishi Mahesh Yogi created the technique in India in the mid-1950s. Advocates of TM claim that the technique promotes ...

, a specific form of mantra meditation * Trans-Manhattan Expressway, a highway in New York City *

Turkmenistan Turkmenistan ( or ; tk, Türkmenistan / Түркменистан, ) is a country located in Central Asia, bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the s ...

(ISO country code TM) * TrackMania, a Nadeo game * TM (album), an album by Brockhampton {{disambiguation