The abbreviation stands for PAA:

  • Agricultural and environmental Party of Albania, see partia agrarian Ambjentaliste e Shqipërisë
  • The Party of Labour of Albania, see Partia Socialiste e Shqipërisë
  • The former Pan Am airlines, ICAO code
  • Called partial agonist activity, and intrinsic sympathomimetic activity (ISA )
  • Poly acrylic acid, the polymer of acrylic acid, polyacrylic acid, see
  • Peracetic acid, peroxyacetic acid, the
  • Disambiguation
  • Abbreviation