Entry 1 sense Webster, 1913 Cuminol /(-n?l)/ · Cu·mi·nol · IPA 01 n. A liquid, C3H7.C6H4.CHO, obtained from oil of caraway; -- called also cuminic aldehyde. 1. A liquid, C3H7.C6H4.CHO, obtained from oil of caraway; -- called also cuminic aldehyde. Also: cuminic aldehyde