prim - purs
- primary bone
- primary collection
- primary consumer
- primary female
- primary food
- primary freshwater fishes
- primary homonym
- primary host
- primary male
- primary mandible
- primary motoneuron
- primary osteon
- primary phase
- primary product
- primary radius
- primary sex characteristic
- prime
- priming behaviour
- priming of tide
- primitive character
- primordia
- primordial granule
- primordium
- primordium of the lateral line
- principal caudal ray
- Principal Components Analysis
- principal man
- principal ray
- principal species
- Principle of Binomial Nomenclature
- Principle of Continuity
- Principle of Coordination
- Principle of First Reviser
- Principle of Homonymy
- Principle of Priority
- Principle of Typification
- printer's error
- priority
- prismatic calcified cartilage
- pristane
