a person, especially a diplomat, invested with the full power of independent action on behalf of their government, typically in a foreign country 全权代表(尤指全权外交人员)
adjective
having full power to take independent action 全权的 [postpositive]a minister plenipotentiary. 全权部长。 ■(of power) absolute (权力)绝对的
语源
mid 17th cent.: from medieval Latin plenipotentiarius, from plenus 'full' + potentia 'power'