ˈrocket ˌscientist noun [countable]1. it doesn’t take a rocket scientist (to do something) informal used humorously to emphasize that something is easy to do or understand:
It doesn’t take a rocket scientist to work out that doubling productivity will improve profits.2. someone who is extremely clever
3. a scientist whose work is related to rockets
[TahlilGaran] Dictionary of Contemporary English ▲