retardantWiktionary 原文中文来自 ECDICTn.抑止剂构词拆分retard词根/词干“to slow down”+-ant后缀(now sciences, chiefly medicine) The agent noun derived from verb. · An adjective corresponding to a noun in -ance, having the sense of "exhibiting (the condition or process described by the noun)".演变路径（由近及远）英语借自 ←法语 retardant词源说明Borrowed from French retardant, equivalent to retard (“to slow down”) + -ant.释义（英文）形容词 Adjective(often in combination) Serving to impede (slow down) the action of something名词 Noun(often in combination) Something that serves to retard (slow down) the action of something.词族派生词（6）retardancyunretardantfire-retardantflame-retardantfire retardantflame retardant