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.
Asparagus boasts 89 micrograms (mcg) of folate per four spears. Molly Burford, Verywell Health, 17 Oct. 2025 The average American adult already takes in about 5 micrograms of lead per day from naturally occurring amounts in food. Rob Williams, EverydayHealth.com, 17 Oct. 2025 By 2025, fewer than one in 1,000 children had a level of 15 micrograms per deciliter or more — the average level of the 1970s. Tom Frieden, Big Think, 30 Sep. 2025 For that reason, the Centers for Disease Control and Prevention recommend all women who could become pregnant take 400 micrograms of folic acid daily. Gabe Whisnant, MSNBC Newsweek, 22 Sep. 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

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Cite this Entry

“Microgram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgram. Accessed 24 Oct. 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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