Medical Definition of valeric acid
: any of four isomeric fatty acids C5H10O2 or a mixture of two or more of them:a: a liquid normal acid that has a disagreeable odor and that is used in organic synthesis—called also pentanoic acidb: isovaleric acidc: a liquid acid existing in three optically isomeric forms and occurring usually in the dextrorotatory form in a few essential oilsd: pivalic acid
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