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We found 40 dictionaries with English definitions that include the word trillion: Click on the first link on a line below to go directly to a page where "trillion" is defined. General (31 matching dictionaries) trillion: American Heritage Dictionary of the English Language [home, info] trillion: Collins English Dictionary [home, info] trillion: Vocabulary.com [home, info] trillion: Macmillan Dictionary [home, info] trillion: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Trillion, trillion: Wordnik [home, info] trillion: Cambridge Advanced Learner's Dictionary [home, info] Trillion: Wiktionary [home, info] trillion: Webster's New World College Dictionary, 4th Ed. [home, info] trillion: The Wordsmyth English Dictionary-Thesaurus [home, info] trillion: Infoplease Dictionary [home, info] trillion: Dictionary.com [home, info] trillion: Online Etymology Dictionary [home, info] trillion: UltraLingua English Dictionary [home, info] trillion: Cambridge Dictionary of American English [home, info] Trillion (disambiguation), Trillion: Wikipedia, the Free Encyclopedia [home, info] Trillion: Online Plain Text English Dictionary [home, info] trillion: Webster's Revised Unabridged, 1913 Edition [home, info] trillion: Rhymezone [home, info] Trillion: AllWords.com Multi-Lingual Dictionary [home, info] trillion: Webster's 1828 Dictionary [home, info] Trillion: American-Britih Dictionary [home, info] trillion: Hutchinson's Dictionary of Difficult Words [home, info] trillion: Free Dictionary [home, info] trillion: Hutchinson Dictionaries [home, info] trillion: Mnemonic Dictionary [home, info] trillion: WordNet 1.7 Vocabulary Helper [home, info] trillion: LookWAYup Translating Dictionary/Thesaurus [home, info] trillion: Dictionary/thesaurus [home, info] Business (1 matching dictionary) trillion: BusinessDictionary.com [home, info] Computing (3 matching dictionaries) trillion: Free On-line Dictionary of Computing [home, info] trillion: CCI Computer [home, info] Trillion (disambiguation), trillion: Encyclopedia [home, info] Medicine (1 matching dictionary) trillion: online medical dictionary [home, info] Science (3 matching dictionaries) Trillion: Eric Weisstein's World of Mathematics [home, info] trillion: MATH SPOKEN HERE! [home, info] Trillion: Extragalactic Astronomy [home, info] Slang (1 matching dictionary) TRILLION: Urban Dictionary [home, info] (Note: See trillion for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (trillion) ▸ noun:  the number that is represented as a one followed by 12 zeros ("In England they call a trillion a billion") ▸ noun:  the number that is represented as a one followed by 18 zeros ("In England they call a quintillion a trillion") ▸ adjective:  one million million in the United States ▸ adjective:  one quintillion in Great Britain ▸ Also see trillion ▸ Word origin