/ ˌrekwɪˈzɪʃn; NAmE / noun , verb
■ noun
[ C , U ] a formal, official written request or demand for sth :
the requisition of ships by the government
a requisition form / order
■ verb
[ vn ] to officially demand the use of a building, vehicle, etc., especially during a war or an emergency :
The school was requisitioned as a military hospital.
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WORD ORIGIN
late Middle English (as a noun in the sense request, demand ): from Old French , or from Latin requisitio(n-) , from requirere search for, from re- (expressing intensive force) + quaerere seek. The verb dates from the mid 19th cent.