Noun
multiple inheritance (uncountable)
English Wikipedia has an article on:multiple inheritanceWikipedia
(programming, object-oriented programming) The ability to inherit from more than one superclass in a single subclass.
Multiple inheritance allows programmers to use more than one totally orthogonal hierarchy simultaneously, such as allowing Cat to inherit from Cartoon character and Pet and Mammal and access features from within all of those classes. Source: Internet
Multiple inheritance is a frequent occurrence in Eiffel development; most of the effective classes in the widely used EiffelBase library of data structures and algorithms, for example, have two or more parents. Source: Internet
Multiple inheritance is allowed. Source: Internet