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.
The tolerable upper limit (UL) for supplemental magnesium is 350 milligrams (mg) daily for adults. Cristina Mutchler, Verywell Health, 27 Feb. 2025 This threshold is typically around 10 milligrams, a dose that’s strong enough to affect most people. Katharine Neill Harris, The Conversation, 25 Feb. 2025 Adults weighing under 150 pounds should start on a dosage of around 10 to 12 milligrams per day, while those weighing over 150 pounds should start with 15 to 20 milligrams per day. Bestreviews, Chicago Tribune, 25 Feb. 2025 Magnesium supplements typically provide 100-400 milligrams per serving. Jillian Kubala, Health, 17 Feb. 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

Browse Nearby Words

Cite this Entry

“Milligram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milligram. Accessed 5 Mar. 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

More from Merriam-Webster on milligram

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!