pair - perc
- pair
- pair algebra
- pair collision
- pair comparison
- pair creation
- pair density
- pair emission
- pair kerning
- pair of compasses
- pair of pincers
- pair potential
- pair production
- pair velocity
- pair-exchange method
- pair-production absorption
- paired bar graph
- paired cable
- paired collision
- paired dislocation
- paired electrons
- paired observations
- paired pie graph
- paired samples
- paired spin
- paired-electron current
- pairing
- pairing effect
- pairwise
- pairwise choice
- pairwise independent events
- pairwise interactions
- pairwise orthogonality
- PAL
- PALC
- paleomagnetic
- paleomagnetism
- palette
- palette location
- palette register
- Paley-Wiener theory
