Wiktionary
n. 1 The capability of a product or system, to interact and function with others reciprocally. 2 (context military English) The capacity for a service, piece of equipment etc., to be operated by different forces or groups.
WordNet
n. (computer science) the ability to exchange and use information (usually in a large heterogeneous network made up of several local area networks)
Wikipedia
Interoperability is a characteristic of a product or system, whose interfaces are completely understood, to work with other products or systems, present or future, in either implementation or access, without any restrictions.
Usage examples of "interoperability".
Besides tracking content use and distribution, the DOI allows to seamlessly integrate hitherto disparate e-commerce technologies and facilitate interoperability among DRM systems.
The Social Harmony man had instructed him to give little lectures on the interoperability of Eurasian positronics and the insidious dangers thereof, but all Arturo wanted to do was pick up his perps and bring them in.
Globalism and tribalism have run to completion, diverging respectively into homogeneous interoperability and the Schwarzschild radius of insularity.
Interoperability issues (numerous formats and readers) probably requires software and hardware plug-ins to render a smooth and transparent user interface.