- preliminary study report on Wuhan Regional Planning
- preliminary survey
- preliminary work of hydropower project
- preliminary work of mining design
- preload
- preloading
- prelocalizing subcategory
- prelogical
- Prelog rule
- pre-Lopingian crisis
- prelubricated
- Prelude
- prelude
- Premack principle
- pre-main sequence
- pre-main sequence binary
- pre-main sequence object
- pre-main sequence star
- pre-manifold
- pre mapping advertising
- premarital health care
- pre-martensitic transformation
- premature atrial contraction
- premature ejaculation
- premature excitation and premature systole