/sin"ee ohl'/ , n. Chem., Pharm.
a colorless, oily, slightly water-soluble liquid terpene ether, C 10 H 18 O, 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, cineol /sin"ee awl', -ol'/ . Also called cajeputol, cajuputol, eucalyptol .
[ alter. of NL oleum cinae, equiv. to oleum oil + gen. sing. of cina wormseed ]