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
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Of 1,768 urine samples tested, nearly all (95 percent) had levels under 4.54 micrograms. Daniel R. Depetris, Newsweek, 12 Jan. 2025 Smoke forecast 0–3 micrograms per cubic meter 3–25 25–63 Jan. 10, 10 p.m. Jan. 11, 10 a.m. Jan. 11, 10 p.m. Data as of Jan. 10. Tony Briscoe, Los Angeles Times, 11 Jan. 2025 The full-year standard was lowered last year from 12 to 9 micrograms per cubic meter. Alex Hutchinson, Outside Online, 9 Jan. 2025 Factoring in background lead exposure, their blood levels of lead may have been as high as 3.5 micrograms per deciliter, the researchers estimate. Sarah Kuta, Smithsonian Magazine, 7 Jan. 2025 See all Example Sentences for microgram 

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 22 Jan. 2025.

Medical Definition

microgram

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

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