study of life in germ-free conditions
(from the article `germfree life`) biological condition characterized by the complete absence of living microorganisms. Gnotobiology comprises the study of germfree plants and ...
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) ... 
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.
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.