germ theory Hear it!

germ theory definition

germ theory

the theory that diseases are transmitted by specific germs, or microorganisms, as has been proved for many infectious diseases

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.