# decimal

[ des-uh-muh l, des-muh l ]

/ ˈdɛs ə məl, ˈdɛs məl /

### adjective

pertaining to tenths or to the number 10.

proceeding by tens: a decimal system.

### noun

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## Nearby words

## Origin of decimal

Related formsdec·i·mal·ly, adverb

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for decimal

## British Dictionary definitions for decimal

## decimal

/ (ˈdɛsɪməl) /

### noun

Also called: decimal fraction a fraction that has a denominator of a power of ten, the power depending on or deciding the decimal place. It is indicated by a decimal point to the left of the numerator, the denominator being omitted. Zeros are inserted between the point and the numerator, if necessary, to obtain the correct decimal place

any number used in the decimal system

### adjective

- relating to or using powers of ten
- of the base ten

(prenominal) expressed as a decimal

Derived Formsdecimally, adverb

## Word Origin for decimal

C17: from Medieval Latin decimālis of tithes, from Latin decima a tenth, from decem ten

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for decimal

## decimal

c.1600, from Medeival Latin decimalis "of tithes or tenths," from Latin decimus "tenth," from decem "ten" (see ten). Applied to Arabic notation before modern sense of "decimal fractions" emerged. As a noun from 1640s.

Online Etymology Dictionary, © 2010 Douglas Harper

## Science definitions for decimal

## decimal

[ dĕs′ə-məl ]

A representation of a real number using the base ten and decimal notation, such as 201.4, 3.89, or 0.0006.

A decimal fraction.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.