noun🔗ShareミリメートルAn 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. "雨粒は小さく、直径はわずか数ミリメートルでした。unitmathscienceChat with AIVocabulary GamePractice Reading
