Definition that contains natural phenomenon
- rule a rule or law concerning a natural phenomenon or the function of a complex system
- principle a rule or law concerning a natural phenomenon or the function of a complex system
- chemical phenomenon any natural phenomenon involving chemistry (as changes to atoms or molecules)
- geological phenomenon a natural phenomenon involving the structure or composition of the earth
- organic phenomenon (biology) a natural phenomenon involving living plants and animals
- physical phenomenon a natural phenomenon involving the physical properties of matter and energy