equivalent /iˈkwivələnt/ I. adj. 相等的，相当于，等于：His remark is equivalent to an insult. 他的话等于是侮辱。Nodding your head is equivalent to saying yes. 点头就等于同意。［考句］ Physics is equivalent to the science which was called natural philosophy.物理在历史上被称之为自然哲学的科学。‖II. n. ［c］同等物：That dress cost the equivalent of a week’s salary. 那件衣服的价钱相当于一星期的工资。The word has no satisfactory English equivalent. 这个词在英语中没有令人满意的对应词。