dec·i·mal /ˈdɛsəməl, ˈdɛsməl/
二--十進制( 的 ) BIDEC
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.
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
n 1: a proper fraction whose denominator is a power of 10 [syn: decimal
2: a number in the decimal system