From Longman Dictionary of Contemporary Englishmetric systemˈmetric ˌsystem noun → the metric system
Examples from the Corpus
metric system• But you will find it easier using the Continental metric system of measures.• Decimals are essential to the understanding of measurement in the metric system.• He campaigned for free education, and for the introduction into Britain of the metric system.• These two factors together mean that the fundamentals of the metric system present difficulties to them.• Drop the requirement for use of the metric system on road signs.• Although nearly all have used the metric system throughout their school careers they use Imperial measures in everyday situations.• As experienced Yankees know, one of the big adventures is dealing with the metric system.From Longman Business Dictionarymetric systemˈmetric ˌsystem noun [singular] the system of weights and measures that is based on the metre and the KILOGRAM 