Levulin \Lev"u*lin\ (l[e^]v"[-u]*l[i^]n), n. (Chem.)
A substance resembling dextrin, obtained from the bulbs of
the dahlia, the artichoke, and other sources, as a colorless,
spongy, amorphous material. It is so called because by
decomposition it yields levulose. [Written also
{l[ae]vulin}.]
[1913 Webster]