eradiateWiktionary 原文1词源 1构词拆分e-前缀(no longer productive) Used to form terms with the sense of something being absent, being removed, or moving outward.+radiate词根/词干词源说明From e- (without) + radiate.释义（英文）形容词 Adjective(botany) Said of several types of capitulum that do not have petal-like florets.2词源 2构词拆分e-前缀(no longer productive) Used to form terms with the sense of something being absent, being removed, or moving outward.+radiate词根/词干释义（英文）动词 Verb