Post, Telegraph, and Telephone (the government-operated system, as in France or Turkey).
Post, Telephone and Telegraph administration
partial thromboplastin time
PTU abbr. propylthiouracil PTU propylthiouracil
interjection 1. (used to indicate the sound or act of spitting.)
1. public television. PTV 1. pay television 2. public television
abbreviation 1. proprietary: used to denote a private limited company
ptyalagogue pty·al·a·gogue (tī-āl’ə-gŏg’) n. See sialagogue.