Meaning of decimal fraction

dec'imal frac"tion

Pronunciation: [key]
— Arith. Arith.
  1. a fraction whose denominator is some power of 10, usually indicated by a dotwritten before the numerator: as 0.4 = ; 0.126 = . Cf. common fraction, nonterminating decimal, terminating decimal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.