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germ theory

noun

  1. Pathology. the theory that infectious diseases are due to the agency of germs or microorganisms.
  2. Biology. biogenesis.


germ theory

noun

  1. the theory that all infectious diseases are caused by microorganisms
  2. the theory that living organisms develop from other living organisms by the growth and differentiation of germ cells
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of germ theory1

First recorded in 1870–75

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