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English definition of “interdepartmental”

interdepartmental

adjective (also inter-departmental)     /ˌɪntəˌdiːpɑːtˈmentəl/ US   /-ṱɚˌdiːpɑːrtˈmenţəl/ WORKPLACE
relating to or involving two or more departments: An interdepartmental working group is producing a report on efficiency. interdepartmental communications/discussion/cooperation
(Definition of interdepartmental adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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