0 a unit of mass that is equal to 0.001 grams -- miligramo
1 a unit for measuring weight -- miligramo [ masculine, singular ]
1000 milligrams of salt 1000 miligramos de sal
The standard assumes that no child swallows more than 8 milligrams from a toy.
Some suggest 50 milligrams, while others propose 500 milligrams.
We certainly shall not vote for exceptions to the ceiling of 50 milligrams of nitrates per litre of groundwater, since such exceptions are likely to result in widespread contamination.