WordReference Random House Unabridged Dictionary of American English © 2026
cin•e•ole
(sin′ē ōl′),USA pronunciation n. [Chem., Pharm.]
- Chemistry, Drugsa colorless, oily, slightly water-soluble liquid terpene ether, C10H18O, having a camphorlike odor and a pungent, spicy, cooling taste, found in eucalyptus, cajeput, and other essential oils: used in flavoring, perfumery, and medicine chiefly as an expectorant.
- alteration of Neo-Latin oleum cinae, equivalent. to oleum oil + genitive singular of cina wormseed
'cineole' also found in these entries (note: many are not synonyms or translations):