# decimal

dec·​i·​mal | \ ˈde-sə-məl , ˈdes-məl \

## Definition of decimal

(Entry 1 of 2)

: 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

decimal

noun

Definition of decimal (Entry 2 of 2)

: any real number expressed in base 10 especially

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## Other Words from decimal

decimally \ ˈde-​sə-​mə-​lē , ˈdes-​mə-​ \ adverb

## Examples of decimal in a Sentence

Adjective In the number 8.901, the 9 is in the first decimal place. Noun The number 67.398 is a decimal. It is equal to the whole number 67 plus the decimal.398. Seven-tenths written as a decimal is .7. The decimal.2 is equal to the fraction 2/10.
Recent Examples on the Web: Adjective Not to drill down too deeply in the decimal points, but that’s a smidge better than the sterling .937 save percent that Tuukka Rask has posted thus far through six postseason games (5-1) in the NHL’s bubble-free playoffs. BostonGlobe.com, 31 May 2021 But in each of the last seven weeks the cleveland.com projection has been within decimal points of the official number, and sometimes exactly the same. Rich Exner, cleveland, 28 Apr. 2021 The number to the left of the decimal designates the distillery and the number to the right the particular batch. Joseph V Micallef, Forbes, 27 Apr. 2021 But in each of the last four weeks the cleveland.com projection has been within decimal points of the official number. Rich Exner, cleveland, 8 Apr. 2021 Sometimes this rate can be hard to find and is depicted on the bill differently from the SOS price, such as in decimal form rather than a digit. Scott Patterson, WSJ, 8 Mar. 2021 There is a mysterious 10-digit decimal number, abcdefghij. Quanta Magazine, 20 Nov. 2020 Instead of only changing the finest decimal points at the very end, a value further forward has also changed. Caroline Delbert, Popular Mechanics, 4 Dec. 2020 Because Bitcoin can be divided out to eight decimal places, small fractions of a whole can be purchased. Charlie Wells, Bloomberg.com, 2 Dec. 2020 Recent Examples on the Web: Noun There’s nothing tricky at this step—just round up if the decimal is 0.5 or higher, and round down otherwise. Dave Linkletter, Popular Mechanics, 7 Feb. 2020 Real examples and applications are messy, with ugly roots made of decimals or irrational numbers. Caroline Delbert, Popular Mechanics, 6 Dec. 2019 But for astronomers, decimals can make the difference between seeing something extraordinary and missing it. Author: Caleb Jones, Anchorage Daily News, 26 Aug. 2019 For example: If a dog is 3 years old, the natural log of 3 is 1.0986 (the decimals continue). Claudia Harmata, PEOPLE.com, 19 Nov. 2019 But for astronomers, decimals can make the difference between seeing something extraordinary and missing it. Author: Caleb Jones, Anchorage Daily News, 26 Aug. 2019 Irrational numbers have an infinite decimal expansion. Quanta Magazine, 17 Sep. 2018 Many people conceptualize irrational numbers by rounding them to fractions or decimals: estimating π as 3.14, which is equivalent to 157/50, leads to widespread celebration of Pi Day on March 14th. Leila Sloman, Scientific American, 16 Sep. 2019 But for astronomers, decimals can make the difference between seeing something extraordinary and missing it. Author: Caleb Jones, Anchorage Daily News, 26 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decimal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

## First Known Use of decimal

1608, in the meaning defined above

Noun

1651, in the meaning defined above

## History and Etymology for decimal

French décimal, from Medieval Latin decimalis of a tithe, from Latin decima tithe — more at dime

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Time Traveler for decimal

## The first known use of decimal was in 1608

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decimal

## Statistics for decimal

Last Updated

5 Jun 2021

Cite this Entry

“Decimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decimal. Accessed 24 Jun. 2021.

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More Definitions for decimal

decimal

## English Language Learners Definition of decimal

(Entry 1 of 2)

mathematics : based on the number 10

decimal

noun

English Language Learners Definition of decimal (Entry 2 of 2)

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

dec·​i·​mal | \ ˈde-sə-məl , ˈdes-məl \

## Kids Definition of decimal

(Entry 1 of 2)

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.

decimal

noun

Kids Definition of decimal (Entry 2 of 2)

: 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

More from Merriam-Webster on decimal

Thesaurus: All synonyms and antonyms for decimal

Britannica English: Translation of decimal for Arabic Speakers

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