Definition of rocket science noun from the Oxford Advanced Learner's Dictionary


rocket science

BrE BrE//ˈrɒkɪt saɪəns//
; NAmE NAmE//ˈrɑːkɪt saɪəns//
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it’s not rocket science
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(informal) used to emphasize that something is easy to do or understand synonym brain surgery Go on, you can do it. It's not exactly rocket science, is it?
See the Oxford Advanced American Dictionary entry: rocket science