decimal

[ des-uh-muh l, des-muh l ]
/ ˈdɛs ə məl, ˈdɛs məl /

pertaining to tenths or to the number 10.
proceeding by tens: a decimal system.

Origin of decimal

1600–10; < Medieval Latin decimālis of tenths, equivalent to Latin decim(a) tenth (derivative of decem ten) + -ālis -al1

Can be confused

decimal decimate destroy (see usage note at decimate) (see synonym study at destroy)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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

1. relating to or using powers of ten
2. of the base ten
(prenominal) expressed as a decimal

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

decimal

[ dĕsə-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.