Word Study
factorial
CIDE DICTIONARY
factorial, a.
- Of or pertaining to a factory. Buchanan. [1913 Webster]
- Related to factorials. [1913 Webster]
factorial, n.
A name given to the factors of a continued product when the former are derivable from one and the same function F(x) by successively imparting a constant increment or decrement h to the independent variable. Thus the product F(x).F(x + h).F(x + 2h) . . . F[x + (n-1)h] is called a factorial term, and its several factors take the name of factorials. Brande & C.
OXFORD DICTIONARY
factorial, 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).
--n.
1 the product of a number and all the whole numbers below it (factorial four = 4 x 3 x 2 x 1).
Usage
Symb.: ! (as in 4!).
2 the product of a series of factors in an arithmetical progression.
--adj. of a factor or factorial.
2 the product of a series of factors in an arithmetical progression.
--adj. of a factor or factorial.
Derivative
factorially adv.
For further exploring for "factorial" in Webster Dictionary Online
