milligram

noun

mil·​li·​gram ˈmi-lə-ˌgram How to pronounce milligram (audio)
: a unit of mass equal to ¹/₁₀₀₀ gram see Metric System Table

Examples of milligram 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.
Testing commissioned by the county earlier this year found that 36% of soil samples collected in the Eaton burn scar had levels above the state health standard of 80 milligrams of lead per kilogram of soil. Clara Harter, Los Angeles Times, 27 June 2025 Best results came from daily doses between 500 and 600 milligrams (mg). Sarah Jividen, Verywell Health, 26 June 2025 Go for Huma Plus, which have up to 250 milligrams of sodium per packet. Jennifer Heimlich, SELF, 26 June 2025 Today’s complete schedule delivers roughly 165 antigens – which is a 95% reduction – and 5-6 milligrams of aluminum in the same time frame. Jake Scott, The Conversation, 26 June 2025 See All Example Sentences for milligram

Word History

Etymology

French milligramme, from milli- + gramme gram

First Known Use

1797, in the meaning defined above

Time Traveler
The first known use of milligram was in 1797

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Cite this Entry

“Milligram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milligram. Accessed 4 Jul. 2025.

Kids Definition

milligram

noun
mil·​li·​gram ˈmil-ə-ˌgram How to pronounce milligram (audio)
: a weight equal to ¹⁄₁₀₀₀ gram see metric system

Medical Definition

milligram

noun
mil·​li·​gram
variants or chiefly British milligramme
: one thousandth of a gram
abbreviation mg

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