prec - proc
- precalculated
- precap
- precast
- preceding aircraft
- preceding step
- precess
- precessed
- precessing
- precession
- precession rate
- prechamber
- precharger
- precheck
- prechilling
- precipitation hardening
- precipitation-covered runway
- precise reading
- precision approach
- precision approach lighting system
- precision approach path
- precision approach path indicator
- precision approach path indicator system
- precision approach procedure
- precision approach radar
- precision approach radar system
- precision approach runway
- precision approach terrain chart
- precision forging
- precision guidance
- precision landing
- precision manometer
- precision mechanics
- precision ohmmeter
- precision sound level meter
- preclearance
- preclearance procedure
- precombustion
- precompensation
- precompression
- precomputed
