Definition of microgram in English:


Syllabification: mi·cro·gram
Pronunciation: /ˈmīkrəˌgram
(abbreviation: mcg)


  • One millionth of a gram. (Symbol: μg)
    More example sentences
    • The concentrations of manganese in two samples of surface soil taken from area A were 748 and 629 micrograms per gram, dry weight.
    • The trouble was that a mere microgram (millionth of a gram) can kill, if lodged in the lungs.
    • The rats received either 60 or 300 micrograms per kilogram of body weight.

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