柯林斯詞典logarithm /?l?ɡ??r?e?m/ (logarithms) 1. N-COUNT In mathematics, the logarithm of a number is a number that it can be represented by in order to make a difficult multiplication or division sum simpler. 對(duì)數(shù) 返回 logarithm劍橋詞典the number that shows how many times a number , called the base , has to be multiplied by itself to produce another number . Adding or taking away logarithms can replace multiplying or dividing large numbers . 對(duì)數(shù) 返回 logarithm