T1A1N1N1I1N1S1
7 points
TANNINS is validvalid
TANNIN, a chemical compound used in tanning
TANNIN, any of a group of yellowish or brownish acidic astringent compounds related to gallic acid
TANNIN, a chemical compound used in tanning
TANNIN, any of a group of yellowish or brownish acidic astringent compounds related to gallic acid