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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Side Effects and Risks The first available combination birth control pills contained 50 micrograms of estrogen. Wendy Wisner, Health, 23 Feb. 2025 One ounce of Brazil nuts (about six nuts) contains 544 micrograms (mcg) of selenium.3 Limit your intake of Brazil nuts to avoid having too much selenium in your body. Carrie Madormo, Rn, Mph, Verywell Health, 1 Feb. 2025 Roman children likely had an extra 2.4 micrograms of lead per deciliter of blood from the empire’s air pollution. Sarah Kuta, Smithsonian Magazine, 7 Jan. 2025 In 2020, the prior Trump administration raised the safety threshold even higher — to 15 micrograms per liter. Rachel Frazin, The Hill, 6 Dec. 2024 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

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Cite this Entry

“Microgram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgram. Accessed 2 Mar. 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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