- a system of counting or measurement, the units of which are powers of 10: the numerical system in common worldwide use.

## Origin of decimal system

First recorded in 1835–45

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British Dictionary definitions for decimal system- the number system in general use, having a base of ten, in which numbers are expressed by combinations of the ten digits 0 to 9
- a system of measurement, such as the metric system, in which the multiple and submultiple units are related to a basic unit by powers of ten

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decimal system in Science- A number system based on units of 10 and using decimal notation.
- A system of measurement in which all derived units are multiples of 10 of the fundamental units.

The American Heritage® Science Dictionary
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