factorial |

noun |
the product of all the integers up to and including a given integer |

adjective |
of or relating to factorials |

adjective |
Of or pertaining to a factory. |

noun |
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*. |