adjective dec·i·mal \ˈde-sə-məl, ˈdes-məl\

mathematics : based on the number 10

Full Definition of DECIMAL

:  numbered or proceeding by tens:
a :  based on the number 10; especially :  expressed in or utilizing a decimal system especially with a decimal point
b :  subdivided into 10th or 100th units <decimal coinage>
dec·i·mal·ly \-mə-lē\ adverb

Examples of DECIMAL

  1. In the number 8.901, the 9 is in the first decimal place.

Origin of DECIMAL

French décimal, from Medieval Latin decimalis of a tithe, from Latin decima tithe — more at dime
First Known Use: 1608

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb



mathematics : a number that is written with a dot between the part of the number that is equal to 1 or more and the part of the number that is less than 1

Full Definition of DECIMAL

:  any real number expressed in base 10; especially :  decimal fraction

Examples of DECIMAL

  1. The number 67.398 is a decimal. It is equal to the whole number 67 plus the decimal.398.
  2. Seven-tenths written as a decimal is.7. Seven-tenths written as a fraction is {frac7.
  3. The decimal.2 is equal to the fraction {frac2.

First Known Use of DECIMAL


Other Number-Related Terms

jubilee, myriad, quarantine, score, twain


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May 23, 2015
debouch Hear it
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