cineole Chem.
(ˈsɪnɪɒl)
Also cyn-, -ol.
[f. mod.L. oleum cinæ (reversed) oil of worm-wood + -ol 3.]
A volatile compound, C10H18O, occurring in oil of cajeput, various eucalyptus oils, and other oils. Hence cineˈolic a.
| 1885 Jrnl. Chem. Soc. XLVIII. i. 172 Cyneol diiodide is formed when iodide acts on cyneol diluted with light petroleum. 1888 Ibid. LIV. 1205 Cineolic acid, C10H16O5, is prepared by oxidising cineol with potassium permanganate. 1889 Ibid. LVI. 1072 The lower boiling fraction of oil of sage contains pinene and cineole. 1890 Thorpe Dict. Appl. Chem. I. 410/1 Cineol C10H18O is the chief constituent of the volatile oils of santonica. 1895 Bloxam's Chem. (ed. 8) 542 Cineol, C10H18O, is the chief constituent of eucalyptus oil. 1940 Chambers's Techn. Dict. 163/1 Cineole, eucalyptole. 1959 Chambers's Encycl. XIII. 546/1 Cineol..is the familiar ‘eucalyptus oil’ used for colds. |