research verb definition in Study routes topic from the Oxford Advanced Learner's Dictionary

research

 verb: Study routes topic
BrE /rɪˈsɜːtʃ/ ; NAmE /rɪˈsɜːrtʃ/ [intransitive, transitive] 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.