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We found 23 dictionaries with English definitions that include the word magic number: Click on the first link on a line below to go directly to a page where "magic number" is defined. General (16 matching dictionaries) magic number: American Heritage Dictionary of the English Language [home, info] magic number: Collins English Dictionary [home, info] magic number: Vocabulary.com [home, info] magic number: Macmillan Dictionary [home, info] magic number: Wiktionary [home, info] magic number: Infoplease Dictionary [home, info] magic number: Dictionary.com [home, info] magic number: UltraLingua English Dictionary [home, info] Magic Number (Maaya Sakamoto song), Magic Number (game show), Magic Number (pricing game), Magic Number, Magic number (chemistry), Magic number (disambiguation), Magic number (oil), Magic number (physics), Magic number (programming), Magic number (sports), The Magic Number: Wikipedia, the Free Encyclopedia [home, info] magic number: Rhymezone [home, info] magic number: Free Dictionary [home, info] magic number: Mnemonic Dictionary [home, info] magic number: LookWAYup Translating Dictionary/Thesaurus [home, info] magic number: Dictionary/thesaurus [home, info] Computing (2 matching dictionaries) magic number: Free On-line Dictionary of Computing [home, info] magic number: Encyclopedia [home, info] Medicine (1 matching dictionary) magic number: online medical dictionary [home, info] Science (3 matching dictionaries) Magic Number: Eric Weisstein's World of Mathematics [home, info] Magic Number: Eric Weisstein's World of Physics [home, info] Magic Number: Extragalactic Astronomy [home, info] Slang (1 matching dictionary) magic number: Urban Dictionary [home, info]

Quick definitions from WordNet (magic number) ▸ noun:  the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126