from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the number eighteen

from the GNU version of the Collaborative International Dictionary of English

  • adj. one more than seventeen; denoting a quantity consisting of one more than seventeen and one less than nineteen; -- representing the number eighteen as Arabic numerals.

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

  • adj. being one more than seventeen
  • n. the cardinal number that is the sum of seventeen and one


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