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3 definitions found
 for Decimal fraction
From 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
     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]

From 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
     [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]

From WordNet (r) 3.0 (2006) :

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

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