American English

Definition of research verb from the Oxford Advanced American Dictionary



    , NAmE//ˈrisərtʃ//
    [intransitive, transitive]Verb Forms present simple I / you / we / they research
    he / she / it researches
    past simple researched
    -ing form researching
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  1.  to study something carefully and try to discover new facts about it research (into/in/on something) They're researching into ways of improving people's diet. research something to research a problem/topic/market She's in New York researching her new book (= finding facts and information to put in it). research how, what, etc… We have to research how the product will actually be used.
See the Oxford Advanced Learner's Dictionary entry: research