In a manner relating to gnotobiotic conditions or the study of organisms with completely known genetic and microbial makeup.
From gnotobiotic + -ally (adverb suffix). A specialized scientific term.
When scientists describe working 'gnotobiotically,' they mean they're maintaining those ultra-sterile laboratory conditions where every single organism present is accounted for—it requires enormous care and precision.
Complete word intelligence in one call. Free tier — 50 lookups/day.