- pelvic inflammatory disease
- pyelitis
- paraparesis
- periarticular
- papilliform
- periodic disease
- paraplegia in extension
- pyelonephosis
- pyelophlebitis
- posterior subcapsular cataract
- pharmacodynamic agent
- Pholas
- Placuna
- Paracheirodon axelrodi
- peri_urban
- periadenitis
- pneumomediastinum
- prostatic
- phylum ctenophora
- pepsin
- papain
- phosphatase
- plasmin
- piston ring
- Pteropus hypomelanus
- paper pencil test
- paper plate
- paper sensing
- perceptive
- positive chemotaxis
- palatopharyngeus
- photocleistogamy
- photochromatic interval
- polyostotic fibrous dysplasia
- polyp
- program trading
- performance monitoring
- piagetian
- psyschopathic personality
- psyllium oil acid
- psychological pattern
- performance objective
- peacekeeping
- power consumption
- power combining
- pent_up
- pertinently
- pertinent
- persuasive
- pirated