noun Chemistry, Pharmacology.
a 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.
Also cin·e·ol [sin-ee-awl, -ol] /ˈsɪn iˌɔl, -ˌɒl/.
Origin of cineole
alteration of New Latin oleum cinae, equivalent to oleum oil + genitive singular of cina wormseed
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin for cineol
C19: changed from New Latin oleum cinae, literally: oil of wormseed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012