Meaning & use
microgram
A unit of mass equal to one millionth of a gram.
See it in a sentence
The vitamin label lists its dose in micrograms rather than milligrams.
Even a few micrograms of this particular toxin can be extremely dangerous.
A note on using this word
Microgram is often abbreviated mcg or the symbol μg on medical and nutritional labels.
Words with a similar meaning
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