PE is a common abbreviation.
Geography
Economics
Science, medicine, and therapy
- Premature ejaculation
- Penis enlargement
- Physical education
- Phenylephrine, a drug
- Phosphatidylethanolamine, a class of substances found in cell membranes
- Pulmonary embolism
- Pleural effusion
- Phycoerythrin, a protein
- Polyethylene, a common plastic polymer
- Potential energy
- Present Era, a year numbering system commonly used in archaeology that uses 1950s as the epoch marker
- Probability of exceedance, probability calculations in earthquake and disaster hazard analysis
- Prolonged exposure therapy, a form of behavior therapy designed to treat posttraumatic stress disorder
- Protective earth, a type of electrical protective system
- Phenytoin equivalent, used to measure doses of fosphenytoin
- pE, the negative logarithm of the electron activity