adjective Diverse in kind or nature; composed of diverse parts.
He had a large and heterogeneous collection of books.
adjective Incommensurable because of different kinds.
adjective Having more than one phase (solid, liquid, gas) present in a system or process.
adjective Visibly consisting of different components.
adjective Of a network comprising different types of computers, potentially with vastly differing memory sizes, processing power and even basic underlying architecture; alternatively, of a data resource with multiple types of formats.