eradicantWiktionary 原文构词拆分eradicate词根/词干+-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)".词源说明From eradicate + -ant.释义（英文）名词 NounA substance that serves to eradicate an infestation.