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.
Most blends have around 250-500 milligrams of each mushroom type per serving, with around 50 milligrams of caffeine. Bestreviews, Chicago Tribune, 13 Aug. 2025 At lower doses of 12 milligrams and 6 milligrams, people lost an average of 9.3% and 7.8% of their body weight, respectively. Claire Bugos, Verywell Health, 7 Aug. 2025 One 3/4-cup serving of whole-milk Greek yogurt contains 6 grams of fat, 16 grams of protein, 5 grams of sugar, and 170 milligrams of calcium, offering 15% of your daily value (DV) of calcium.9 How To Use It There are many delicious and versatile ways to use Greek yogurt in snacks and recipes. Laura Schober, Health, 7 Aug. 2025 Each can contain up to 200 milligrams (mg) of caffeine, which is about double the amount in a typical cup of coffee. Emily Kay Votruba, EverydayHealth.com, 6 Aug. 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 23 Aug. 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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