vigesimal: Meaning and Definition of

vi•ges•i•mal

Pronunciation: (vī-jes'u-mul), [key]
— adj.
  1. of, pertaining to, or based on twenty.
  2. twentieth.
  3. proceeding by twenties.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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