- 天体演化学 tiāntǐyǎnhuàxué cosmogonythe study of the origin and evolution of the universe and celestial bodies
- 演化支 yǎnhuàzhī clade(biology) a group of organisms that includes a single ancestor and all its descendants
- 演化论 yǎnhuàlùn theory of evolutiontheory or principles explaining the biological evolution of species