ˈfyüˌkōs noun
( -s )
Etymology: International Scientific Vocabulary fuc- + -ose
: an aldose sugar CH 3 (CHOH) 4 CHO occurring combined in the dextrorotatory d -form in various glycosides (as jalapin) and in the levorotatory l -form in focusan, fucoidin, and polysaccharides typical of some blood groups; 6-deoxy-galactose — compare glucose