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English definition of “decimal”

decimal

adjective uk   /ˈdes.ɪ.məl/ us  
relating to or expressed in a system of counting based on the number ten: If you calculate the result to two decimal places (= give two numbers after the decimal point, as in 3.65), that should minimize any possible errors.Numbering and counting

decimal

noun [C] uk   /ˈdes.ɪ.məl/ (also decimal fraction) us  
a number expressed using a system of counting based on the number ten: Three fifths expressed as a decimal is 0.6.Numbering and counting
(Definition of decimal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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