noun
or oe·nan·thic acid ə̇]ˈnan(t)thik-, ē]
Etymology: International Scientific Vocabulary enanth-, oenanth- (from Latin oenanthe wild grape, from Greek oinanthē grape blossom, from oinē grapevine + anthē blossom) + -ic; akin to Greek oinos wine and to Greek anthos flower — more at wine , anthology
: an oily fatty acid CH 3 (CH 2 ) 5 COOH usually made by oxidizing enanthaldehyde and used chiefly in making esters for flavoring materials — called also heptanoic acid