Browse the Concise Encyclopedia
- passenger pigeon
- passerine
- passion
- passion play
- passionflower family
- passover
- passport
- pasta
- pastel
- pasteurella
- pasteurization
- pastoral
- pastoureaux
- pasupata
- patagonia
- patarine
- patch test
- patent
- pathology
- patio
- patio process
- patria potestas
- patriarch
- patrician
- patrick, saint
- patristic literature
- patron saint
- pattern recognition
- patternmaking
- pauli exclusion principle
- pausanias
- pavane
- pavement
- pawnbroking
- pawnee
- pax romana
- paxton boys uprising
- pazzi conspiracy
- pbs
- pcb
- pea
- peace corps
- peace of god
- peach
- peacock
- peanut
- pear
- pearl
- pearl harbor
- pearl harbor attack
- peasant
- peasants' revolt
- peasants' war
- peat
- peat moss
- pecan
- peccary
- pecking order
- pectin
- pedestal
- pediatrics
- pedigree
- pediment
- pedology
- peerage
- pegasus
- pegmatite
- peine forte et dure
- peking university
- pekingese
- peko
- pelagianism
- pelée, mount
- pelican
- pella
- pellagra
- peloponnesian league
- peloponnesian war
- pelops
- pelota
- pelusium
- pelvic inflammatory disease (pid)
- pemex
- pen drawing
- penal colony
- penang
- penates
- pencil drawing
- pendant
- pendentive
- pendleton civil service act
- pendulum
- peneplain
- penguin
- penicillin
- penicillium
- peninsular war
- penis
- pennines
- pennsylvania railroad co.