gnotobiosis

[ noh-toh-bahy-oh-sis ]
/ ˌnoʊ toʊ baɪˈoʊ sɪs /

noun

an environmental condition in which germfree animals have been inoculated with strains of known microorganisms.

Origin of gnotobiosis

1945–50; < Greek gnōt(ós) known + -o- + -biosis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019