- preferential reinsurance
- preferential right
- preferential scattering
- preferential segregation
- preferential system
- preferential tariff
- preferential terms
- preferential treatment
- preferment
- prefermentation chamber
- prefermentor
- preferred
- preferred angle
- preferred class
- preferred creditor
- preferred debt
- preferred direction
- preferred liabilities
- preferred numbers
- preferred orientation
- preferred position
- preferred share
- preferred stock
- preferred term
- preferred treatment
- preferred values
- prefet
- prefetch
- prefiguration
- prefigurative
- prefigure
- prefill stroke
- prefilter
- prefilter zone
- prefiltering
- prefiltration
- prefinancing
- prefix
- prefix code
- prefix notation
- prefix number
- prefix statement
- prefix-34 call
- prefix-35 call
- prefix-36 call
- prefixes
- prefixing
- preflex girder
- preflight
- preflight information
- preflood drawdown
- prefluzing
- prefocus lamp
- prefoliation
- preform
- preformat
- preformation
- preformative
- preformed fiber
- preformed fibre
- preformed foam
- preformed head
- preformed pile
- preformed sealant
- preformed soap
- preformed winding
- preforming
- preformism
- prefreeze
- prefreezing
- prefrontal
- prefrontal lobe
- prefusion
- preganglionic
- pregelatinization
- pregeminum
- pregeniculatum
- pregenital
- preggers
- pregion
- preglacial
- pregnable
- pregnancy
- pregnancy test
- pregnanediol
- pregnant
- pregnantly
- pregnenolone
- pregravidic
- pregrind
- pregrinding
- preground
- preguidance
- pregustation
- pregwood
- prehallux
- preheat
- preheat coil
- preheated gas
- preheated milk