au·thor·i·za·tion /ˌɔːθəraɪˈzeɪʃən;-rɪˈz-/ n. 1. 授权,委托;授权书,委托书;授予的权力 the authorization of policemen to arrest beggars 授权警察逮捕乞丐 2. 批准;核定;许可 No authorization for such a flight had been given by the authorities in Washington. 华盛顿当局未曾批准过这样一次飞行。 It was impossible for a private citizen to cross the frontier without special authorization. 平民不经特准是不能越过边境的。