collaborationcol·lab·o·ra·tion /kəˌlæbəˈreɪʃən/ noun1[countableC, uncountableU] the activity of working together with another person, company etc in order to achieve somethingMore collaboration between companies is needed to speed up the development of cleaner fuels for cars.
The research was done by two university medical departments, working in collaboration with each other.
2[countableC]COMMERCE a piece of work that is produced by two or more people, companies etc working togetherThe software is a collaboration involving NGB Technologies and the Gas Research Institute.