from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of the numbers, 2, 8, 20, 28, 50, 82, or 126, that represent the number of neutrons or protons in strongly bound and exceptionally stable atomic nuclei.
  • n. Sports The number of wins by a leading team and losses by its closest competitor required in order for the leading team to capture a championship or secure a playoff spot.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the number of neutrons or protons in nuclei which are required to fill the major quantum shells, and thus produce exceptionally stable nuclei - 2, 8, 20, 28, 50, 82 & 126
  • n. A metric used to determine a team's required performance to make the playoffs.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126


Sorry, no etymologies found.


  • There were eight of them, the man himself making nine, and Laura, tapping heavily with her forefinger upon Gascoigne’s shoulder, indicated that this magic number was again of some importance and interest.

    The Dancing Druids

  • Father 'actually means something, not just the acquiring of respnsibilties. nothesame wrote: if the argument goes any two people who love each other should have a right to get married or Love Makes A Family, why stop at the magic number of 2? what's special about that.

    Gay/Lesbian Forum

  • Not only did the three-run blast propel the Pinstripes to a 4-2 come-from-behind victory which completed a four-game sweep of the Rays; it reduced the Yankees magic number for clinching the American League East title to 14; and gave Derek Jeter a chance to break the record.

    One Season

  • Whenever, Elizabetha, you feel yourself in the least degree discomposed or out of temper, utter no word till you have mentally counted the magic number seven.

    "Carrots": Just a Little Boy


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