1. a proper fraction whose denominator is a power of 10;

[syn: decimal fraction, decimal]

The Collaborative International Dictionary of English v.0.48:

Fraction \Frac"tion\, n. [F. fraction, L. fractio a breaking, fr. frangere, fractum, to break. See Break.] 1. The act of breaking, or state of being broken, especially by violence. [Obs.] [1913 Webster] Neither can the natural body of Christ be subject to any fraction or breaking up. --Foxe. [1913 Webster] 2. A portion; a fragment. [1913 Webster] Some niggard fractions of an hour. --Tennyson. [1913 Webster] 3. (Arith. or Alg.) One or more aliquot parts of a unit or whole number; an expression for a definite portion of a unit or magnitude. [1913 Webster] Common fraction, or Vulgar fraction, a fraction in which the number of equal parts into which the integer is supposed to be divided is indicated by figures or letters, called the denominator, written below a line, over which is the numerator, indicating the number of these parts included in the fraction; as 1/2, one half, 2/5, two fifths. Complex fraction, a fraction having a fraction or mixed number in the numerator or denominator, or in both. --Davies & Peck. Compound fraction, a fraction of a fraction; two or more fractions connected by of. Continued fraction, Decimal fraction, Partial fraction, etc. See under Continued, Decimal, Partial, etc. Improper fraction, a fraction in which the numerator is greater than the denominator. Proper fraction, a fraction in which the numerator is less than the denominator. [1913 Webster]The Collaborative International Dictionary of English v.0.48:

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]WordNet (r) 3.0 (2006):

decimal fraction n 1: a proper fraction whose denominator is a power of 10 [syn: decimal fraction, decimal]