us·age/`jusɪdʒ; ˈjuːsɪdʒ/ n 1 [C,U] the way that words are used in a language 〔语言的〕用法: a book on modern English usage 关于现代英语用法的书 2 [U] the way in which something is used, or the amount of it that is used 使用方法; 用量: Car usage has increased dramatically. 汽车的使用量大幅度增加。