Millimetre
/mˈɪləˌmitər/
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Definition
(noun) An SI/MKS unit of measure, the length of ¹⁄₁₀₀₀ of a metre. Symbol: mm
Sentence Examples
A millimetre is a thousandth of a metre.
CEFR Practice Quiz
In most countries using the metric system, a ____ is the standard unit of length for very small and precise objects.