collaboration /kəˌlæbəˈɹeɪʃən/noun 3forms 1phrases 1 noun3 •The act of collaborating.Collaboration can be a useful part of the creative process.During the interwar period, fascists proposed class collaboration as a response to communist class struggle. •Treasonous cooperation.He has been charged with collaboration. •A production or creation made by collaborating.The husband-and-wife artists will release their new collaboration in June this year. formscollaborations Phrases with collaboration adversarial collaborationAny of a class of study designs in which scientists with conflicting theories work together with others who are neutral or agnostic about those theories, and this team runs an experiment to test the theories empirically and thus find out whether one of the theories is contradicted by the evidence found.