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The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the International System of Units (SI), equal to one thousandth of a metre, which is the SI base unit of length. Therefore, there are one thousand millimetres in a metre.
A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.
noun. mil· li· me· ter ˈmi-lə-ˌmē-tər. variants US millimeter or British millimetre. : a unit of length equal to ¹/₁₀₀₀ meter see Metric System Table.
Millimetre (mm), unit of length equal to 0.001 metre in the metric system and the equivalent of 0.03937.
- The Editors of Encyclopaedia Britannica
noun [ C ] UK (US millimeter) uk / ˈmɪl.ɪˌmiː.tə r/ us / ˈmɪl.əˌmiː.t̬ɚ / ( written abbreviation mm) Add to word list. B1. a unit of length that is equal to 0.001 metres. Examples. The plastic is 2 millimetres thick. They can measure the plant growth in millimetres. We had to move the stone a few millimetres to the left.
A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre (the metre is the International System of Units (SI) base unit of length). The millimetre is part of a metric system.
A millimeter is a metric unit of length that is equal to a tenth of a centimeter or a thousandth of a.... Click for pronunciations, examples sentences, video.
