Meaning of nonrepeating decimal

non're•peat'ing dec'imal

Pronunciation: (non'ri-pē'ting, non"-), [key]
— Math. Math.
  1. a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.