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pentosan |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pentosan \Pen"to*san\, n. Also -sane \-sane\ [From {Pentose}.] (Chem.) One of a class of substances (complex carbohydrates widely distributed in plants, as in fruits, gums, woods, hay, etc.) which yield pentoses on hydrolysis.