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.
Two slices of Ezekiel bread contain 150 milligrams of sodium, while the same serving of white bread packs 268 milligrams. Jillian Kubala, Health, 4 May 2026 The medication, daraxonrasib, is a 300 milligram pill taken once a day. Kerry Breen, CBS News, 2 May 2026 Both come as 200-milligram capsules and deliver relief thanks to having the same active ingredients. Kait Hanson, Southern Living, 2 May 2026 The bill would have upped the limit to 10 milligrams per 12-ounce serving. Nick Coltrain, Denver Post, 29 Apr. 2026 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 5 May. 2026.

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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