gnotobiologˈical adjective

gnotobiōˈsis noun

1. The condition of being germ-free, or germ-free and then inoculated with known micro-organisms only
2. The rearing of animals in such a germ-free environment, or in one in which all the living micro-organisms are known

gnotobiote /-bīˈōt/ noun

A gnotobiotic animal

gnotobiotˈic adjective

In the condition of gnotobiosis

gnotobiotˈically adverb

gnotobiotˈics singular noun

The study of gnotobiotic animals