Skip to main content
Glite Dictionary
🎙️ Push-to-talk or test 🏤 Postal authority
PTT

PTT

3 7.7
A short form for a button on a radio you press to speak or a test of blood clotting
  • noun
  • Specialized
: PTT
  • The Sprint Direct Connect launch in October 2011 ushered in the next generation of PTT service from the company that pioneered push-to-talk.

Examples

  • PTT is especially useful for AIS researchers because an extensively tested and validated psychometric instrument based on PTT, the Myers-Briggs Type Indicator (MBTI), is available for use in practice and research.

    Academic text (2004)

  • The patient was coagulopathic; her PT was 12.4 seconds, her PTT was 37.3 seconds, and her INR was 1.34.

    Academic text (2005)

  • Using PTT allows users to communicate instantly by pressing a button to talk.

  • Many companies are now integrating PTT features into their mobile applications for easier communication.

  • The doctor explained that the patient's PTT result indicated a potential clotting disorder.

Synonyms

clotting time
vsPTT
  • Specialized
1 5.6

The time a blood sample takes to stop flowing so doctors can check bleeding problems

refers to a named laboratory test that is narrower than the general timing measure

Surface Forms

PTT singular
PTTs plural

Etymology

PTT is a short form made from the first letters of push-to-talk ('press to speak') and of partial thromboplastin time ('blood clotting test'). So on a radio a PTT button lets you speak, and in a lab a PTT test checks how a patient's blood clots.