- pair conversion
- pair correlation conjecture
- pair coupling
- pair creation
- pair creation, pair production
- pair crossed mill
- pair current
- pair distribution function
- pair-distribution function
- paired
- paired assistance
- paired carried multiple access，PCMA
- paired comparison
- paired comparison model
- paired data
- paired design
- paired designed trial
- paired difference test
- paired ejection
- paired electrolysis
- paired fin
- paired groups
- paired integral equations
- paired metamorphic belts
- paired meteorite