germ theory

noun
Updated on: 7 Nov 2017

Definition of germ theory

:a theory in medicine: infections, contagious diseases, and various other conditions result from the action of microorganisms

Recent Examples of germ theory from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'germ theory.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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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