柯林斯词典denominator /dɪˈnɒmɪˌneɪtə/ (denominators) 1. N-COUNT In mathematics, the denominator is the number which appears under the line in a fraction. 分母→see also common denominator , lowest common denominator 返回 denominator剑桥词典the number below the line in a fraction （分數中的）分母 In the fraction ¾, 4 is the denominator. 在分數3/4中，4爲分母。 比較numerator 返回 denominator