You don't need the Oxford Dictionary definition, but any decent engineer who has touched an object-oriented language should be able to explain what polymorphism is. Come on.
Sure, it's just difficult to think all that way back after I've talked about the operating system I designed and implemented. Don't worry, though, now I just get rejected for $12/hr data entry jobs. Come one. I've been suicidal for almost a decade and a half, now. How come nobody has any clue how to get programming jobs? Why doesn't that bother other programmers?