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We found 26 dictionaries with English definitions that include the word quintillion: Click on the first link on a line below to go directly to a page where "quintillion" is defined. General (20 matching dictionaries) quintillion: American Heritage Dictionary of the English Language [home, info] quintillion: Collins English Dictionary [home, info] quintillion: Vocabulary.com [home, info] quintillion: Merriam-Webster's Online Dictionary, 11th Edition [home, info] quintillion: Wordnik [home, info] Quintillion: Wiktionary [home, info] quintillion: Webster's New World College Dictionary, 4th Ed. [home, info] quintillion: The Wordsmyth English Dictionary-Thesaurus [home, info] quintillion: Infoplease Dictionary [home, info] quintillion: Dictionary.com [home, info] quintillion: Online Etymology Dictionary [home, info] quintillion: UltraLingua English Dictionary [home, info] Quintillion: Wikipedia, the Free Encyclopedia [home, info] quintillion: Rhymezone [home, info] quintillion: Hutchinson's Dictionary of Difficult Words [home, info] quintillion: Free Dictionary [home, info] quintillion: Hutchinson Dictionaries [home, info] quintillion: Mnemonic Dictionary [home, info] quintillion: LookWAYup Translating Dictionary/Thesaurus [home, info] quintillion: Dictionary/thesaurus [home, info] Computing (3 matching dictionaries) quintillion: Free On-line Dictionary of Computing [home, info] quintillion: CCI Computer [home, info] quintillion: Encyclopedia [home, info] Medicine (1 matching dictionary) quintillion: online medical dictionary [home, info] Science (1 matching dictionary) Quintillion: Eric Weisstein's World of Mathematics [home, info] Slang (1 matching dictionary) quintillion: Urban Dictionary [home, info]

Quick definitions from WordNet (quintillion) ▸ noun:  the number that is represented as a one followed by 18 zeros ▸ Word origin