natural phenomenon

Thesaurus

Noun

1.

natural phenomenon - all phenomena that are not artificialphenomenon - any state or process known through the senses rather than by intuition or reasoningchemical phenomenon - any natural phenomenon involving chemistry (as changes to atoms or molecules)geological phenomenon - a natural phenomenon involving the structure or composition of the earthorganic phenomenon - (biology) a natural phenomenon involving living plants and animalsphysical phenomenon - a natural phenomenon involving the physical properties of matter and energy