fucose
noun
fu·cose ˈfyü-ˌkōs 
-ˌkōz
: an aldose sugar that occurs in bound form in the dextrorotatory form in various glycosides and in the levorotatory form in some brown algae and in mammalian polysaccharides typical of some blood groups
Example Sentences
Recent Examples on the Web For example, these bacterial recorders could detect the presence of the sugar fucose in a human’s gut, indicating an infection. 
Yasemin Saplakoglu, Scientific American, 7 Feb. 2018
Yasemin Saplakoglu, Scientific American, 7 Feb. 2018 Word History
Etymology
International Scientific Vocabulary fuc- (from Latin fucus) + -ose
First Known Use
circa 1909, in the meaning defined above
Medical Definition
fucose
noun
fu·cose ˈfyü-ˌkōs, -ˌkōz
: an aldose sugar that occurs in bound form in the dextrorotatory D-form in various glycosides and in the levorotatory L-form in some brown algae and in mammalian polysaccharides typical of some blood groups