Usually means: Product of all positive integers.
Definitions Related words Phrases Mentions History
We found 34 dictionaries that define the word factorial:

General (22 matching dictionaries)
  1. factorial: Merriam-Webster
  2. factorial: Oxford Learner's Dictionaries
  3. factorial: American Heritage Dictionary of the English Language
  4. factorial: Collins English Dictionary
  5. factorial: Vocabulary.com
  6. Factorial, factorial: Wordnik
  7. factorial: Wiktionary
  8. factorial: Webster's New World College Dictionary, 4th Ed.
  9. factorial: The Wordsmyth English Dictionary-Thesaurus
  10. factorial: Infoplease Dictionary
  11. factorial: Dictionary.com
  12. Factorial: Wikipedia, the Free Encyclopedia
  13. Factorial: Online Plain Text English Dictionary
  14. factorial: Webster's Revised Unabridged, 1913 Edition
  15. factorial: Rhymezone
  16. Factorial: AllWords.com Multi-Lingual Dictionary
  17. factorial: FreeDictionary.org
  18. factorial: Mnemonic Dictionary
  19. factorial: TheFreeDictionary.com
  20. factorial: Longman Dictionary of Contemporary English

Computing (3 matching dictionaries)
  1. factorial: Free On-line Dictionary of Computing
  2. factorial: Dictionary of Algorithms and Data Structures
  3. factorial: Encyclopedia

Medicine (2 matching dictionaries)
  1. factorial: Merriam-Webster Medical Dictionary
  2. online medical dictionary (No longer online)

Science (6 matching dictionaries)
  1. A Glossary of Mathematical Terms (No longer online)
  2. Factorial: Eric Weisstein's World of Mathematics
  3. Statistics (in particular, re-randomisation statistics) (No longer online)
  4. factorial: PlanetMath Encyclopedia
  5. factorial: Prime
  6. factorial (!): Fundamental Statistics for the Behavioral Sciences

Slang (1 matching dictionary)
  1. factorial: Urban Dictionary

(Note: See factorials as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
noun:  (mathematics, combinatorics) The result of multiplying a given number of consecutive integers from 1 to the given number. In equations, it is symbolized by an exclamation mark (!). For example, 5! = 1 × 2 × 3 × 4 × 5 = 120.
adjective:  (mathematics) Of or pertaining to a factor or factorial.
adjective:  Of or pertaining to a factor, a kind of business agent.
adjective:  (dated) Of or pertaining to a factory.

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