factorial

 /fækˈtɔːrɪəl/



Collins Concise English Dictionary © HarperCollins Publishers::

factorial /fækˈtɔːrɪəl/ n
  1. the product of all the positive integers from one up to and including a given integer. Factorial zero is assigned the value of one: factorial four is 1 × 2 × 3 × 4. Symbol: n!, where n is the given integer
adj
  1. of or involving factorials or factors

facˈtorially adv



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