factorial
Word family nounfactorabilityfactoragefactoringfactorizationfactorshipfactoradjectivefactorablefactorialverbfactorize
Related topics: Numbers
fac·to·ri·al /fækˈtɔːriəl/ noun [countableC] technical HMNthe result when you multiply a whole number by all the numbers below it 阶乘,阶乘积 factorial 3 = 3 x 2 x 1 3的阶乘=3×2×1