| Catechuic | a. Of or pertaining to catechu or its derivatives. See catechin. [ 1913 Webster ] |
| Catechin | n. (Chem.) One of the tannic acids ( |
| catechin | (n) a tannic acid that is extracted from black catechu as a white crystalline substance |
| カテキン | [katekin] (n) catechin [Add to Longdo] |