microgram

¹

especially British, mi·cro·gramme

[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]

noun

1. micrograph.

Word History and Origins

Origin of microgram¹

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

Origin of microgram²

micro- + -gram ¹

Example Sentences

Under the new plans, the drink-drive limit is expected to be tightened from 35 micrograms of alcohol per 100 millilitres of breath to 22 micrograms, which would match limits already set for Scotland.

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Instead, it would list the concentration in micrograms of lead per deciliter of blood.

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According to the California Department of Public Health, the average blood lead level for adults in the United States is less than 1 microgram per deciliter.

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Police arrested him and found he exceeded the limit with 57 micrograms of alcohol in 100ml of breath - the legal limit is 35 micrograms.

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GSNR’s project would raise pollution levels by roughly 1 microgram per cubic meter for the duration of its operations in the port area.

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