Eucalyn
Eu´ca`lyn
(ū´kå`lĭn)| n. | 1. | (Chem.) An unfermentable sugar, obtained as an uncrystallizable sirup by the decomposition of melitose; also obtained from a Tasmanian eucalyptus, - whence its name. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.