xylan
nounA yellow, water-soluble, gummy polysaccharide found in plant cell walls and yielding xylose upon hydrolysis.
nounA gelasinous, levorotatory compound, C5H8-O4(?), contained in all kinds of wood. With sulphuric acid it yields the sugar xylose; boiling mineral acids convert it chiefly into fur-furaldehyde. It is also called
A gummy substance of the pentosan class, present in woody tissue, and yielding xylose on hydrolysis; wood gum.
nounA