decaffeinateWiktionary 原文英/diːˈkæfiːneɪt/美构词拆解dede-前缀caffeincaffeine词干ate-ate后缀de-reversal, undoing · to remove from, removed-ateforms adjectives with meaning "having the specified thing" · forms adjectives with meaning "characterized by the specified thing"词源说明From de- + caffeine + -ate (verb-forming suffix).释义动词verb1transitiveTo remove the caffeine from something (especially from coffee).同族词相关词 2decaffeinated·decaffeination