microgram

noun

mi·​cro·​gram ˈmī-krə-ˌgram How to pronounce microgram (audio)
: one millionth of a gram see Metric System Table

Examples of microgram in a Sentence

Recent Examples on the Web Specific concerns for kids The Environmental Protection Agency in 2005 set a reference dose for perchlorate of 0.7 micrograms per kilogram of bodyweight a day, while the European Food Safety Authority (EFSA) established a tolerable daily intake of half that amount. Kate Gibson, CBS News, 7 Aug. 2024 Looking at participants’ average wildfire PM2.5 exposure over three years, the researchers found a 21% increase in the odds of a dementia diagnosis for each increase of 1 microgram of particulate matter per cubic meter of air. Alex Wigglesworth, Los Angeles Times, 29 July 2024 Specifically, the odds of someone exposed to wildfire smoke being diagnosed with dementia rose 21% for every increase of 1 microgram of PM2.5 concentration per cubic meter of air over a three-year average. Maya Davis, CNN, 29 July 2024 Since there are no federal limits for how much lead and cadmium there can be in food, Consumer Reports used California's standard maximum allowable dose levels — 0.5 micrograms per day for lead and 4.1 micrograms per day for cadmium. Leo Bertucci, The Courier-Journal, 10 Jan. 2024 See all Example Sentences for microgram 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'microgram.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1890, in the meaning defined above

Time Traveler
The first known use of microgram was circa 1890

Dictionary Entries Near microgram

Cite this Entry

“Microgram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgram. Accessed 20 Aug. 2024.

Medical Definition

microgram

noun
mi·​cro·​gram ˈmī-krə-ˌgram How to pronounce microgram (audio)
1
: one millionth of a gram
2

More from Merriam-Webster on microgram

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