noun🔗ShareمليمتراتAn SI/MKS unit of measure, the length of 1/1000 of a metre. Symbol: mm"The raindrops were tiny, only a few millimetres in diameter. "كانت قطرات المطر صغيرة جدًا، بقطر بضعة مليمترات فقط.unitmathscienceChat with AIVocabulary GamePractice Reading