Meaning of FACTORIAL in English

FACTORIAL

— factorially , adv.

/fak tawr"ee euhl, -tohr"-/ , n.

1. Math. the product of a given positive integer multiplied by all lesser positive integers: The quantity four factorial (4!) = 4 · 3 · 2 · 1 = 24. Symbol: n!, where n is the given integer.

adj.

2. Math. of or pertaining to factors or factorials.

3. of or pertaining to a factor or a factory.

[ 1810-20; FACTOR + -IAL ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .