gnotobiosis


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gnotobiosis

(ˌnəʊtəʊbaɪˈəʊsɪs)
n
(Biology) the state of being gnotobiotic

gno•to•bi•o•sis

(ˌnoʊ toʊ baɪˈoʊ sɪs)

also gno•to•bi•ot•ics

(-ˈɒt ɪks)

n.
the study of organisms or conditions that are free of germs or contaminants or to which a known germ or contaminant has been introduced for purposes of study.
[1945–50; < Greek gnōt(ós) known, v. adj. of gignṓskein to know + -o- + -biosis]
gno`to•bi•ot′ic, adj.