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subfactorial. In DICTIOUS you will not only get to know all the dictionary meanings for the word
subfactorial, but we will also tell you about its etymology, its characteristics and you will know how to say
subfactorial in singular and plural. Everything you need to know about the word
subfactorial you have here. The definition of the word
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English
Etymology
From sub- + factorial.
Noun
subfactorial (plural subfactorials)
- (mathematics, combinatorics) The result of deranging a number. In equations, it is usually symbolised by an exclamation mark (!) before the number being deranged (as opposed to factorials, where the exclamation mark occurs after the number).