microgram

1
[ mahy-kruh-gram ]

noun
  1. a unit of mass or weight equal to one millionth of a gram, used chiefly in microchemistry. Symbol: μg

Origin of microgram

1
First recorded in 1885–90; micro- + -gram2
  • Also especially British, mi·cro·gramme .

Other definitions for microgram (2 of 2)

microgram2
[ mahy-kruh-gram ]

Origin of microgram

2

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