From David Bolton,
Your Guide to C / C++ / C#.
FREE Newsletter. Sign Up Now!

Definition: A function in C++ and C# can be marked as virtual. This means that it can be overridden in a derived class so that it has different behaviour. This is called Polymorphism because the overridden function will behave differently from the original function in the base class.

Glossary:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Examples: Overriding is how inheritance is done.