What is polymorphism in c++?

Answer 1

In C++ The process of representing one Form in multiple forms is known as Polymorphism ...........  Polymorphism is derived from 2 greek words: poly and morphs. The word "poly" means many and morphs means forms. So Polymorphism means many forms.

Answer 2

polymorphism is not unique to c++.

here. https://en.m.wikipedia.org/wiki/Polymorphism_(computer_science)