
Public Telephone and Telegraph
Found on
http://en.wikipedia.org/wiki/List_of_information_technology_acronyms
[Turkey] Ptt, abbreviation for Posta Telgraf Teşkilatı, is the national post and telegraph directorate of Turkey. Formerly, the organization was named (Posta Telgraf Telefon). After the privatization of the telephone telecommunications service business, the directorate was renamed, keeping its acronym. It is headquartered in Ankara. Its k...
Found on
http://en.wikipedia.org/wiki/PTT_(Turkey)

<haematology, investigation> A test used to evaluate the blood clotting. If there is a deficiency in a particular blood clotting factor, the time required for clotting will be lengthened. ... Patients with severe liver disease, Von Willebrand disease or haemophilia will have an abnormal (prolonged) PTT test. Heparin, a medication given to thi...
Found on
http://www.encyclo.co.uk/local/20973

partial thromboplastin time; see activated partial thromboplastin time.
Found on
http://www.encyclo.co.uk/local/21001

Postal Telephone & Telegraph + Push To Talk
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Postal, Telegraph and Telephone Organisation. A government department responsible for, and with authority over postal, telegraph and telephone operations.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Postal, Telegraph and Telephone operator - as in typical state-owned telephone service.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Type: Abbreviation Definitions: 1. Abbreviation for partial thromboplastin time.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=73837

partial prothrombine time, see PT
Found on
http://www.ruf.rice.edu/~kemmer/Words04/usage/jargon_medical.html

Partial thromboplastin time
Found on
http://www.translationdirectory.com/glossaries/glossary124.htm

Push To Talk; a technology enabling a mobile phone to be used like a walkie-talkie. Uses data packets over 2G or 3G networks. Users need to be with the same network provider.
Found on
http://www.tuffphones.co.uk/glossary

Press To Talk
Found on
https://www.encyclo.co.uk/local/21417

Post, Telegraph, and Telephone (the government-operated system, as in France or Turkey).
Found on
https://www.infoplease.com/dictionary/ptt
No exact match found.