ˈrafəˌnōs noun
( -s )
Etymology: French, from raffiner to refine + -ose — more at raffinate
: a crystalline slightly sweet nonreducing trisaccharide sugar C 18 H 32 O 16 that is obtained by aqueous extraction of cottonseed meal but also found in small quantities in sugar beet, eucalyptus manna, and many cereals and that yields on hydrolysis d -fructose and melibiose