PTT may refer to:

Chemistry and medicine

Partial thromboplastin time The partial thromboplastin time (PTT), also known as the activated partial thromboplastin time (aPTT or APTT), is a blood test that characterizes coagulation of the blood. A historical name for this measure is the kaolin-cephalin clotting time ( ...

, a performance indicator in medicine for coagulation status *

Photothermal Therapy Photothermal therapy (PTT) refers to efforts to use electromagnetic radiation (most often in infrared wavelengths) for the treatment of various medical conditions, including cancer. This approach is an extension of photodynamic therapy, in which a p ...

, a medical treatment *

2β-propanoyl-3β-(4-tolyl)-tropane 2β-Propanoyl-3β-(4-tolyl)tropane also known as WF-11 or 2-PTT is a cocaine Analog (chemistry), analogue 20 times more potent than cocaine at binding to the dopamine transporter with increased selectivity for the norepinephrine transporters. It ...

, a cocaine analogue *

Polytrimethylene terephthalate Polytrimethylene terephthalate (PTT), is a polyester synthesized and patented in 1941. It is produced by a method called condensation polymerization or transesterification. The two monomer units used in producing this polymer are: 1,3-propanedio ...

, polyester * Pulse Transit Time, a measure of arterial blood pressure *

Communication and technology

Postal Telephone and Telegraph A postal, telegraph, and telephone service (or PTT) is a government agency responsible for postal mail, telegraph, and telephone services. Such monopolies existed in many countries, though not in North America or Japan. Many PTTs have been partial ...

, a government agency in many countries ** Posterijen, Telegrafie en Telefonie (Netherlands), in the Netherlands **

Postes, télégraphes et téléphones (France) Postes, télégraphes et téléphones may refer to: *Postes, télégraphes et téléphones (France) Postes, télégraphes et téléphones may refer to: * Postes, télégraphes et téléphones (France) * Postes, télégraphes, téléphones (Switzerla ...

, in France ** Postes, télégraphes, téléphones (Switzerland), in Switzerland ** Posta Telgraf Teşkilatı (Turkey), in Turkey *

PTT Bulletin Board System PTT Bulletin Board System (PTT, , telnet://ptt.cc) is the largest terminal-based bulletin board system (BBS) based in Taiwan. It was founded by Yi-Chin Tu and other students from the National Taiwan University in 1995 as Professional Technology ...

, the largest bulletin board system in Taiwan *

Pneumatic tube Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by compressed air or by partial vacuum. They are used for transporting solid objects, a ...

, Pneumatic tube transport *

Push to talk Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode. H ...

, or "Press-to-Transmit", a method of conversing on half-duplex communication lines *

Pass-the-ticket In computer security, pass the hash is a hacking technique that allows an attacker to authenticate to a remote server or service by using the underlying NTLM or LanMan hash of a user's password, instead of requiring the associated plaintext passw ...

* Platform Trust Technology, a firmware-based

Trusted Platform Module Trusted Platform Module (TPM, also known as ISO/IEC 11889) is an international standard for a secure cryptoprocessor, a dedicated microcontroller designed to secure hardware through integrated cryptographic keys. The term can also refer to a ch ...

(TPM) which is part of

Intel Management Engine The Intel Management Engine (ME), also known as the Intel Manageability Engine, is an autonomous subsystem that has been incorporated in virtually all of Intel's processor chipsets since 2008. It is located in the Platform Controller Hub of mod ...

Organizations

PTT Public Company Limited PTT Public Company Limited or simply PTT ( th, บริษัท ปตท. จำกัด (มหาชน)) is a Thai state-owned SET-listed oil and gas company. Formerly known as the Petroleum Authority of Thailand, it owns extensive submar ...

, a Thai oil and gas company *

Pashtun Tahafuz Movement The Pashtun Tahafuz Movement (PTM; ps, پښتون ژغورنې غورځنګ ''Paṣtūn Zhghōrənē Ghōrźang''; ur, , lit=Pashtun Protection Movement) is a social movement for Pashtun human rights based in Khyber Pakhtunkhwa and Balochistan ...

(PTM), also known as the Pashtun Tahafuz Tehrik (PTT), a human rights movement in Pakistan for the Pashtun people *

Pennsylvania Tunnel and Terminal Railroad The New York Tunnel Extension (also New York Improvement and Tunnel Extension) is a combination of railroad tunnels and approaches from New Jersey and Long Island to Pennsylvania Station in Midtown Manhattan. It was built by Pennsylvania Rai ...

, the owner of the tunnels to New York Penn Station *

Police Tactical Team The Special Tactics and Rescue (STAR) is an elite tactical unit of the Singapore Police Force responsible for conducting counter-terrorism and hostage rescue operations in Singapore. History Founded in March 1978 as the Police Tactical Team, ...

, now Singapore Police Force's Special Tactics and Rescue unit *

Prince's Trust Team The Prince's Trust ( cy, Ymddiriedolaeth y Tywysog) is a charity in the United Kingdom founded in 1976 by King Charles III (then Prince of Wales) to help vulnerable young people get their lives on track. It supports 11-to-30-year-olds who are u ...

, a development programme for teenagers by partners of the Prince's Trust throughout the UK

Sport

Port Talbot Town F.C. Port Talbot Town Football Club ( cy, Clwb Pêl Droed Port Talbot) is a Welsh football club from Port Talbot. It was founded in 1901 as Port Talbot Athletic, one of the first clubs in the country. The club plays in the Ardal SW, and is based at ...

, a Welsh Premier League football association club

Other

Petronas Twin Towers The Petronas Towers, also known as the Petronas Twin Towers or KLCC Twin Towers, (Malay: ''Menara Berkembar Petronas'') are 88-storey supertall skyscrapers in Kuala Lumpur, Malaysia, standing at . From 1998 to 2003, they were officially design ...

in Kuala Lumpur, Malaysia *

Photothermal time Photothermal time (PTT) is a product between growing degree-days (GDD) and day length (hours) for each day. PTT = GDD × DL It can be used to quantify environment, as well as the timing of developmental stages of plant Plants are predominantl ...

, related to plant growth *

Pizza Time Theatre Chuck E. Cheese (formerly known as Chuck E. Cheese's Pizza Time Theatre, Chuck E. Cheese's Pizza and simply Chuck E. Cheese's) is an American family entertainment center and pizza restaurant chain founded in 1977 by Atari's co-founder Nolan Bu ...

, former secondary name for Chuck E. Cheese's *

Pull Tiger Tail Pull Tiger Tail (often abbreviated to PTT) were an indie rock band based in London and originating from Stratford-upon-Avon and Edinburgh; they formed in 2006 while attending Goldsmiths College. All three members had grown up together in Strat ...

, a British indie band *

PTT (Paint the Town) "PTT (Paint the Town)" is a song by the South Korean girl group Loona, released on June 28, 2021, as the lead single from their fourth extended play '' ', through Blockberry Creative and Universal Music Japan. Written by Ryan S. Jhun, Sabzevar ...

, a 2021 single by Loona {{disambig