Definition of "unmodified" []

• Not modified (adjective)

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• "Boston began renal transplantation in unmodified human recipients in spite of the warnings and pessimistic predictions of many scientists and experienced clinicians."
• "What’s more, while ethanol requires special pipelines for shipping, butanol can be shipped in unmodified gasoline pipelines."
• "Some - but too few - have been applied to healthcare and often unmodified, which is a big mistake."