dec·i·mal /ˈdɛsəməl, ˈdɛsməl/
 十進制,小數點(a.)十進位的,小數的
 decimal
 二--十進制的
 decimal
 二--十進制( 的 ) BIDEC
 decimal
 十進位; 小數點
 decimal
 十進 小數
 Dec·i·mal a.  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.
 Dec·i·mal, n. A number expressed in the scale of tens; specifically, and almost exclusively, used as synonymous with a decimal fraction.
 Circulating decimal, 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.
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 decimal
      adj 1: numbered or proceeding by tens; based on ten; "the decimal
             system" [syn: denary]
      2: divided by tens or hundreds; "a decimal fraction"; "decimal
         coinage"
      n 1: a proper fraction whose denominator is a power of 10 [syn: decimal
           fraction]
      2: a number in the decimal system