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.
Currently, the novel method can only produce milligram-sized bits of color, and the team is investigating ways to scale the strategy. — Andrew Paul, Popular Science, 26 Aug. 2026 Most have strengths of between 500-1,500 milligrams per dose. — Bestreviews, Mercury News, 26 Aug. 2026 Each spray of Activation Ease provides 22 milligrams of magnesium and absorbs in less than 90 seconds, the outlet reported, and the lower dose may help prevent skin irritation after use. — Samantha Agate, Sacbee.com, 21 Aug. 2026 The outlet named Activation Ease Magnesium Spray its top pick for everyday use, noting that each spray delivers 22 milligrams of magnesium and absorbs in under 90 seconds. — Samantha Agate, Fort Worth Star-Telegram, 21 Aug. 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

Rhymes for milligram

See All Rhymes for milligram

Browse Nearby Words

milligauss
milligram
millihenry
See all Nearby Words

Cite this Entry

“Milligram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milligram. Accessed 1 Sep. 2026.

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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
-ˌgram How to pronounce milligram (audio)
: one thousandth of a gram
—abbreviation mg

More from Merriam-Webster on milligram

Britannica.com: Encyclopedia article about milligram

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