factorial
n.
1816, in mathematics, from factor + -al(2). As an adjective from 1837 in mathematics; from 1881 as "pertaining to a factor."
| 词汇 | factorial | 
| 词根词缀 | Online Etymology Dictionary factorial n. 1816, in mathematics, from factor + -al(2). As an adjective from 1837 in mathematics; from 1881 as "pertaining to a factor." | 
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