1. 
   gnotobiology
   The study of animals in the absence of contaminating microorganisms; i.e., of 'germ-free' animals. ... Origin: G. Gnotos, known, + bios, life, + logos, study ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?gnotobiology
   
   
2. 
   gnotobiology
   (from the article `germfree life`) biological condition characterized by the complete absence of living microorganisms. Gnotobiology comprises the study of germfree plants and ...
   Found op http://www.britannica.com/eb/a-z/g/41
   
   
3. 
   gnotobiology
   gnotobiology 1. The study of organisms or conditions that are either free of germs or associated only with known or specified germs. 2. The study of animals in the absence of contaminating microorganisms; that is, of “germ-free” animals.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2819/35
   
   
4. 
   gnotobiology
   Type: Term Pronunciation: nō′tō-bī-ol′ŏ-jē Definitions: 1. The study of animals in the absence of contaminating microorganisms; of 'germ-free' animals.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=37971
   
   

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