collaboration · noun /kəˌlæb.əˈreɪ.ʃən/Full view
C1 C or U when two or more people work together to create or achieve the same thing, or a product of this
Dictionary example:

The show was a result of collaboration between several museums.

Learner example:

On the other hand, we encourage competition on the basis of team collaboration, to optimize the HR resources in the group, and maximize [the] individual's potential. (International English Language Testing System; C1; Chinese)

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