Definify.com
Definition 2024
PTT
PTT
English
Initialism
PTT
- (telecommunications) Push to talk; Press to transmit.
- (aviation) Part Task Trainer (See Flight simulator at Wikipedia)
- (hematology) Partial thromboplastin time
- (oil industry) Partitioning tracer test
- Platform Terminal Transmitter
- (telecommunications) Postal Telephone and Telegraph
- Professional Technical Trainer
- Protein truncation test
- (chemistry) Polytrimethylene terephthalate