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Pronunciation varies by accent · noun
(rare and nonstandard) 0.000001 grams, as a unit of mass..
Use millimilligram when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Millimilligram means (rare and nonstandard) 0.000001 grams, as a unit of mass..
Common synonyms include microgram, µg.
The opposite depends on the specific sense.
Use millimilligram where its definition matches the intended context.
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