noun🔗Share밀리미터An 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. "빗방울은 작았고, 지름이 몇 밀리미터밖에 되지 않았다.unitmathscienceChat with AIVocabulary GamePractice Reading