1. [n]  a number in the decimal system
2. [n]  a proper fraction whose denominator is a power of 10
3. [adj]  divided by tens or hundreds; "a decimal fraction"; "decimal coinage"
4. [adj]  numbered or proceeding by tens; based on ten; "the decimal system"

Decimal
Decimal, the second book of the Paradigm trilogy, is based on first-hand paranormal experiences. It is the continuing story of Ryan Drake and his two off-planet friends. Learn about the shadow government, our self--destructing world, and how extraterrestrial want to help us create a beautiful future.

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1. \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.
   {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, 25/100, 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.
   

2. \Dec"i*mal\, n.
   A number expressed in the scale of tens; specifically, and
   almost exclusively, used as synonymous with a decimal
   fraction.
   {Circulating}, or {Circulatory}, {decimal}, a decimal
      fraction in which the same figure, or set of figures, is
      constantly repeated; as, 0.354354354; -- called also
      {recurring decimal}, {repeating decimal}, and {repetend}.