Longman Dictionary of Contemporary English homepage

cooperation

noun
     
co‧op‧e‧ra‧tion S3 W2 also co-operation British English [uncountable]
1 when you work with someone to achieve something that you both want
cooperation with
political co-operation with Britain
in cooperation with somebody
A study was undertaken in co-operation with oil companies.
Burglar alarm companies claim they work in close co-operation with the police.
cooperation between
the lack of effective co-operation between industry and higher education
the need to strengthen international co-operation
2 willingness to do what someone asks you to do:
Have your passports ready, and thank you for your cooperation.
Your full cooperation is requested.

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