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microgram
From Wiktionary, the free dictionary
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See also: micro-gram
English
Etymology
Noun
microgram (plural micrograms)
- (metrology) An SI unit of mass equal to 10−6 grams. Symbol: μg A unit of mass equal to one millionth of a gram, or 0.000 001 grams.
- Alternative forms: microgramme, micro-gram, micro-gramme
- Synonyms: μg, mcg, microg, ug (only where encoding forces its use), gamma (archaic)
- Holonyms: milligram < gram < kilogram < megagram < gigagram
- Meronyms: picogram < nanogram
- 2019 June 20, David Stanway, “China coal hub Shanxi slams seven cities for pollution spike in 2019”, in Sherry Jacob-Phillips, editor, Reuters, archived from the original on 21 June 2019, Environment:
- All seven cities saw an increase in air pollution during January-May. Readings assessed showed an average concentration of hazardous airborne particles - known as PM2.5 - up by as much as 14.8% in Taiyuan, the provincial capital, and by 16.3% in Shuozhou. […]
According to the latest data, average rates of PM2.5 in 337 cities nationwide stood at 44 micrograms per cubic meter in the first five months of the year, unchanged from 2018, with 118 cities reaching the national standard of 35 micrograms or below.
- 2019 August 27, Nicholas Balakar, “The Deadly Toll of Air Pollution”, in The New York Times:
- In the United States, there was a daily mortality increase of 0.79 percent for each 10 micrograms per cubic meter increase in PM 10 and a 1.58 percent increase for each 10 microgram increase in PM 2.5.
Derived terms
Translations
µg
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Romanian
Etymology
Borrowed from French microgramme.
Noun
microgram n (plural micrograme)
Declension
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