noun🔗ShareミリグラムAn SI unit of mass, equivalent to one thousandth of a gram. Symbol: mg"The doctor prescribed a vitamin with 500 milligrams of Vitamin C. "医者はビタミンC 500ミリグラムを含むビタミンを処方しました。massunitsciencechemistryamountChat with AIVocabulary GamePractice Reading