Meaning of “millimetre” in the English Dictionary

british dictionary

"millimetre" in British English

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millimetrenoun [ C ]

UK US millimeter uk /ˈmɪl.ɪˌmiː.tər/ us /ˈmɪl.əˌmiː.t̬ɚ/ written abbreviation mm

B1 a unit of length that is equal to 0.001 metres


  • 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.

(Definition of “millimetre” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)