Definition, Meaning & Synonyms

millimetre

noun
/ˈmɪlɪˌmiːtə/
Definition
A millimetre is a unit of length in the metric system, equal to one thousandth of a meter.
Examples
  • The thickness of a credit card is about 0.76 millimetres.
  • A standard pencil lead is typically 0.5 millimetres in diameter.
  • When measuring rainfall, it is common to report amounts in millimetres.
Meaning
The millimetre is commonly used to measure small lengths or distances, particularly in fields such as engineering and medicine.
Synonyms
  • millimeter (American spelling)
  • mm (abbreviation)