Dictionary

germ theory

noun

Definition of GERM THEORY

:  a theory in medicine: infections, contagious diseases, and various other conditions result from the action of microorganisms
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First Known Use of GERM THEORY

1870
Medical Dictionary

germ theory

noun

Medical Definition of GERM THEORY

:  a theory in medicine: infections, contagious diseases, and various other conditions (as suppurative lesions) result from the action of microorganisms

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