Phenylazobenzyloxycarbonyl - Biochemistry
Canal Zone - ANSI two-letter standard code - Obsolete (CNC)
Pancreozymin - Also, CCK - Endocrinology
Panzerbrechend - Armor-Piercing - German military - World War II
Pastural Zone - Agriculture
Past Z
Paterson Zochonis - Commercial firm - British
Peak-to-Zero (IAA)
Pelletizing (SAUS)
Penzance - British depot code
Performing organization Zip code (SAUS)
Peripheral - Medicine (EDAA)
Peripheral Zone - Botany - Anatomy
Phase Zero
Pick Up Zone - Shipping
Pickup Zone - Military
Pie Zeses - May You Live Piously - Italian
Piezometer (WIPP)
Pizza
Plus Zero (SAUS)
Poland - IYRU nationality code (IYR)
Police Zone (SAUS)
Potez - Etablissements Henri Potez - France - ICAO aircraft manufacturer identifier (ICAO)
Prazosin - A vasodilator
Pregnancy Zone Protein (AAMN)
Primary Zone - Military
Prisoner of Zion (BJA)
Prize - Telegraphy (PCTE)
Proliferative Zone (MELL)
Promethazine (SAUS)
Protective Zone
Prozone Phenomenon - Immunology
Psychic Zodiac
Pulse Zero (SAUS)
Puls Zero (SAUS)
Pyrazine - Organic chemistry
Surinam - Aircraft nationality and registration mark (FAAC)
Pieze - Unit of pressure