raffinose
noun
raf·fi·nose ˈra-fə-ˌnōs 
-ˌnōz
: a crystalline slightly sweet sugar C18H32O16 obtained commercially from cottonseed meal and present in many plant products
Word History
Etymology
French, from raffiner to refine, from re- + affiner to make fine, from a- ad- (from Latin ad-) + fin fine
First Known Use
1876, in the meaning defined above
Medical Definition
raffinose
noun
raf·fi·nose ˈraf-ə-ˌnōs, -ˌnōz
: a crystalline sugar C18H32O16 obtained commercially from cottonseed meal and present in sugar beets and many plant products
called also melitose