Meaning of DECIMAL in English

I. ˈde-sə-məl, ˈdes-məl adjective

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

Date: 1608

: 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

• dec·i·mal·ly -mə-lē adverb

II. noun

Date: 1651

: any real number expressed in base 10 ; especially : decimal fraction

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.