'Decimal fraction' definitions:

Definition of 'decimal fraction'

From: WordNet
noun
A proper fraction whose denominator is a power of 10 [syn: decimal fraction, decimal]

Definition of 'Decimal fraction'

From: GCIDE
  • Decimal \Dec"i*mal\, a. [F. d['e]cimal (cf. LL. decimalis), fr. L. decimus tenth, fr. decem ten. See Ten, and cf. Dime.] Of or pertaining to decimals; numbered or proceeding by tens; having a tenfold increase or decrease, each unit being ten times the unit next smaller; as, decimal notation; a decimal coinage. [1913 Webster]
  • Decimal arithmetic, the common arithmetic, in which numeration proceeds by tens.
  • Decimal fraction, a fraction in which the denominator is some power of 10, as 2/10, [frac25x100], and is usually not expressed, but is signified by a point placed at the left hand of the numerator, as .2, .25.
  • Decimal point, a dot or full stop at the left of a decimal fraction. The figures at the left of the point represent units or whole numbers, as 1.05. [1913 Webster]