Definition of "microbial" []

• Of, relating to, or caused by microbes or microorganisms (adjective)

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• "Finally, check to make sure that your policy doesn't include what they call a microbial-matter exclusion."
• "Certain microbial supplements show the potential to reduce the severity of colds and other infections, temper body weight, and even help the elderly fight osteoporosis."
• "The soil on Mars may contain microbial life, according to a new interpretation of data first collected more than 30 years ago."