mordantWiktionary 原文中文来自 ECDICTadj.尖酸的，辛辣的，有腐蚀性的n.腐蚀剂，金属箔粘着剂，媒染剂vt.媒染演变路径（由近及远）英语源自 ←法语 mordant源自 ←拉丁语 mordeō原始词根原始印欧语 *(s)merd-词源说明From French mordant, from Latin mordeō. Doublet of mordent.释义（英文）形容词 AdjectiveHaving or showing a sharp or critical quality.Serving to fix a dye to a fiber.名词 NounAny substance used to facilitate the fixing