As nouns the difference between milligram and milligray
is that milligram is an si unit of mass, equivalent to one thousandth of a gram symbol: mg while milligray is (physics) a unit of energy absorbed from ionizing radiation equal to 10-3 grays.
milligram
Alternative forms
* milligramme
Noun
(
en noun)
An SI unit of mass, equivalent to one thousandth of a gram. Symbol: mg
milligray
English
Noun
(
en noun)
(physics) A unit of energy absorbed from ionizing radiation equal to 10-3 grays