PTT
The abbreviation PTT stands for:
- Spanish license plate for Correos y Telégrafos (Post)
- Partial thromboplastin time (partial thromboplastin time) , a medical test blood clotting
- Partido Trabalhista Timorense , an East Timorese party
- Platform transmitter terminal , name of the transmitter (401.65 MHz) for the satellite-based Argos positioning system for locating animals and other non-stationary objects
- Polskie Towarzystwo Tatrzańskie , Polish Tatra Society
- Polytrimethylene terephthalate , a bio-based plastic based on 1,3-propanediol (PDO)
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Post , Telephone and Telegraph and referred to various state post and telecommunications companies:
- in Switzerland the post, telephone and telegraph companies , founded in 1852, divided into two companies since 1998: Swiss Post and Swisscom
- in the Netherlands the Posterijen, Telegrafie en Telefonie , see PTT (Netherlands)
- in Belgium, historical forerunner of Bpost
- in France the Postes, télégraphes et téléphones , today La Poste (France) and France Télécom
- in Serbia the Pošta, Telegraf i Telefon , today Telekom Srbija
- in Turkey the Posta ve Telgraf Teşkilatı Genel Müdürlüğü , see PTT (Turkey)
- PTT PCL , a mineral oil company in Thailand
- Push-to-talk in the case of a half-duplex radio connection, the push-to-talk button or an operating mode in which you can switch between reception and transmission
- Push-to-Talk over Cellular , a cellular service
- Pulse transit time , a parameter in medicine - the pulse wave transit time
- Türk Telekomspor (formerly PTT Spor Kulübü), a Turkish football club from Ankara
- PTT Bulletin Board System (PTT, 批 踢踢 實業 坊, or 批 踢踢), a well-known large mailbox (BBS) in Taiwan
- Pull Tiger Tail , British indie rock band
