Decimal is defined as a system of numbers or currency where everything is based on the number ten, or on parts of ten.(adjective)
3.432 is an example of a number described as a decimal number.
The definition of a decimal is a number written with a decimal point and a remainder that represents portions of ten.(noun)
An example of a decimal is 2.5 which is two and five tenths.
See decimal in Webster's New World College Dictionary
Origin: OFr < ML decimalis < L decimus, tenth < decem, ten
See decimal in American Heritage Dictionary 4
Origin: Medieval Latin decimālis, of tenths or tithes
Origin: , from Latin decima, a tenth part or tithe
Origin: , from decem, ten; see dekm̥ in Indo-European roots.
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