Found 2 items, similar to Tannin.
English → English (WordNet) Definition: tannin tannin n : any of various complex phenolic substances of plant origin; used in tanning and in medicine [syn: tannic acid]
English → English (gcide) Definition: Tannin Tannin \Tan"nin\, n. [Cf. F. tannin.] (Chem.) Same as Tannic acid, under Tannic. [1913 Webster]