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microgram

1

[ mahy-kruh-gram ]

noun

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


microgram

2

[ mahy-kruh-gram ]

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Word History and Origins

Origin of microgram1

First recorded in 1885–90; micro- + -gram 2

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Example Sentences

It was balanced to a microgram—to a millionth of the combined weight of three aspirin tablets.

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