Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

Etymologies

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