- The definition of a decimal number is another way of representing a fraction by showing the part of the whole by placing it on the right side of a period.
An example of a decimal number is the number 1.33. The numbers ".33" are the parts of a whole and are the approximate equivalent of the fraction 1/3.
The item circled is a decimal number.
Variant of decimal
Origin: Old French ; from Midieval Latin decimalis ; from Classical Latin decimus, tenth ; from decem, ten