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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According to the study, published in the journal JAMA Neurology, the odds of a dementia diagnosis rose by 18 percent for every microgram per cubic meter increase in wildfire pollution over three years, a relatively small amount. Kylie Mohr, WIRED, 4 Jan. 2025 For most people, 400 micrograms daily (at any time of day) is enough to help reduce the risk of neural tube defects. Patricia Weiser, Pharmd, Verywell Health, 2 Jan. 2025 It's typically measured in international units (IU) or micrograms (mcg), and dosages aren't broken down by vitamin D type. Lindsey Desoto, Health, 23 Dec. 2024 Studies that estimate blood lead levels from statistical models suggest that consuming 5 micrograms of lead or more from spices daily could substantially contribute to elevated blood lead levels. Katarzyna Kordas, Discover Magazine, 7 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

Dictionary Entries Near microgram

Cite this Entry

“Microgram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgram. Accessed 21 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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