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>
Examples of decimal in a sentence
In the number 8.901, the 9 is in the first decimal place.
Origin and Etymology 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
decimal
Definition of decimal
: any real number expressed in base 10; especially : decimal fraction
Examples of decimal in a sentence
The number 67.398 is a decimal. It is equal to the whole number 67 plus the decimal.398.
Seventenths written as a decimal is.7. Seventenths written as a fraction is {frac7.
The decimal.2 is equal to the fraction {frac2.
1651
First Known Use of decimal
1651
Other NumberRelated Terms
DECIMAL Defined for English Language Learners
Definition of decimal for English Language Learners

mathematics : based on the number 10
decimal
Definition of decimal for English Language Learners

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
DECIMAL Defined for Kids
Definition of decimal for Students
1 : based on the number 10 : numbered or counting by tens <We use a decimal system of writing numbers.>
2 : expressed in or including a decimal <The decimal form of 1⁄4 is .25.>
Definition of decimal for Students
: a proper fraction in which the denominator is 10 or 10 multiplied one or more times by itself and is indicated by a point placed at the left of the numerator <the decimal .2=2⁄10, the decimal .25=25⁄100, the decimal .025=25⁄1000>
Learn More about decimal

Spanish Central: Translation of decimal Nglish: Translation of decimal for Spanish speakers Britannica English: Translation of decimal for Arabic speakers
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