A feature or ability through which an object (i.e.: an application or a script) can function in different environments (i.e.: operating systems, hardware architectures).
Interoperability allows for a software to be run on any platform, without the need for porting or translating.
by Brownspank October 20, 2003
The ability of a component to work well with other components, even if those components are made by different companies (or other entities). Often used to describe a computer software component that uses standard interfaces, file formats, etc. to work with well with industry standards.
Windows' printer driver architecture allows a PC to have great interoperability with a wide variety of printing devices.
by David October 19, 2003