Definition of formalin
: a clear aqueous solution of formaldehyde and methanol used especially as a preservative
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Collectors injected the specimen with formalin (a solution of formaldehyde) for preservation, and shipped it from east Africa to the U.S.
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Origin and Etymology of formalin
Medical Dictionary
medical Definition of formalin
: a clear aqueous solution of formaldehyde containing a small amount of methanol
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