Germ theory

·add. ·- The theory that living organisms can be produced only by the development of living germs. ·cf. Biogenesis, Abiogenesis.

II. Germ theory ·add. ·- The theory which attributes contagious and infectious diseases, suppurative lesions, ·etc., to the agency of germs. The science of bacteriology was developed after this theory had been established.