From Longman Dictionary of Contemporary Englishdecimaldec‧i‧mal1 /ˈdesəməl/ noun [countable] a fraction (=a number less than 1) that is shown as a full stop followed by the number of tenths, hundredths etc. The numbers 0.5,0.175, and 0.661 are decimals.

Examples from the Corpus

decimal• This is being done for a number of key mathematical topics such as decimals, ratio, negative numbers and elementary algebra.• Neither the input nor the output of a Turing machine can, strictly speaking, be an infinite decimal.• Change ten decimals to a fraction Aaaaaaaaaaahhhhhhhhhh! is my reaction.• If a comma or a semi-colon is encountered further down the print list, the format reverts to decimal.• The only tasks where high success rates were obtained were those where the pupil can effectively treat decimals as whole numbers.• Most low attainers lack knowledge of the relationship between metric units and they also have problems with decimals.decimaldecimal2 adjective HMNHMNa decimal system is based on the number 10 changing to a decimal system calculations accurate to three decimal places (=one of the numbers after the full stop in a decimal)Examples from the Corpus

decimal• Each sub-system of the model was given a decimal code so that an audit trail could be established for the subsequent detailed analysis.• This gives a maximum accuracy of just over 9 decimal digits.• Likewise, finite decimal expressions of unrestricted length give us nothing new, since these are just particular cases of fractions.• As the summary table above indicates, virtually all of the basic tasks concerning decimal number concepts proved to be extremely difficult.• The general picture obtained for decimal place value is not a very happy one.• Forbes can apparently spout the results of all presidential elections to the nearest decimal point.• Alternatively this can be done by decimal subdivision.• We do not follow the decimal system.decimal places• Between equations, they marvelled that their tests would be scored to the whole point, instead of to five decimal places.• F Format Numbers are printed with a fixed number of decimal places.• In fact the sum is 0.99, the error being due to rounding to two decimal places.• The first two questions require an answer with two decimal places although there is only one in the question.