decaffeinate

transitive verb

de·​caf·​fein·​ate

(ˈ)dēˈka(ˌ)fēˌnāt,

-af(ē)ə̇ˌn-

-ed/-ing/-s

: to remove caffeine from

decaffeinated coffee

Word History

Etymology

de- + caffeine + -ate

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