milligram
nounUK /ˈmɪl.ɪ.ɡræm/
US /ˈmɪl.ə.ɡræm/
A milligram is a very tiny amount of weight, like a speck of dust.
The doctor said the pill contains just one milligram of medicine.
OTHER MEANINGS
2. A unit of mass equal to one thousandth of a gram, used in science and medicine.
The lab measured the sample in milligrams.
3. A very small quantity of a substance, especially a drug or vitamin.
This vitamin has 500 milligrams of calcium.
4. A metric unit written as 'mg' on labels and prescriptions.
Take 250 mg twice a day.