principal /ˈprinsəpəl/I. adj. 1.最重要的,主要的: principal food 主食;the principal points 要点; the principal persons concerned 有关的主要人员 ‖II. n. [c] 1.负责人,中小学校长,大学院长:a lady principal 女校长 The headmaster of a school is sometimes called the principal. 校长有时可用principal表示。 2.资本,本金:pay off the principal and interest 付清本息
[辨析]与chief, major和main辨见chief

