- preaxiomatic
- pre-base
- pre-calculation
- precaliber
- precategory
- precedence
- precedence function
- precedence grammar
- precedence method
- precedence relation
- preceding
- precession
- precheck
- precipitous ideal
- precise
- precise data
- precise definition
- precise statement
- precision
- pre-closed operator
- precompact
- precompact convergence
- precompact linear mapping
- precompact mapping
- precompact metric space