transcription, транскрипция: [ ̈ɪfækˈtɔ:rɪəl ]
n. & adj. Math. --n. 1 the product of a number and all the whole numbers below it (factorial four = 4 x 3 x 2 x 1). °Symb.: ! (as in 4!). 2 the product of a series of factors in an arithmetical progression. --adj. of a factor or factorial. øøfactorially adv.