microgram

¹ American  

[mahy-kruh-gram] / ˈmaɪ krəˌgræm /

especially British, microgramme

noun

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

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microgram ² American  

[mahy-kruh-gram] / ˈmaɪ krəˌgræm /

noun

1. micrograph.

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Etymology

Origin of microgram¹

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

Origin of microgram²

micro- + -gram ¹

Example Sentences

In Bangladesh, an estimated 50 million people have consumed water exceeding the World Health Organization's guideline of 10 micrograms per liter.

From Science Daily

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.

From BBC

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

From Los Angeles Times

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.

From Los Angeles Times

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

From BBC