gnotobiotic

/ˌnoʊtoʊbaɪˈɑtɪk/
adjective
  1. Describing an environment or organism that is free of germs or has only known, controlled microorganisms, often used in scientific research.
    • Gnotobiotic plants are grown in sterile conditions to observe their development.
    • The lab raised gnotobiotic mice to study how gut bacteria affect health.
    • Researchers used a gnotobiotic chamber to keep the experiment free from contamination.
Antonyms
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