mil·​li·​gram | \ ˈmi-lə-ˌgram How to pronounce milligram (audio) \

Definition of milligram

: a unit of mass equal to ¹/₁₀₀₀ gram — see Metric System Table

Examples of milligram in a Sentence

Recent Examples on the Web Doctors measure opioid dosages in units called morphine milligram equivalents, or MMEs. Andrew Joseph, STAT, 25 Nov. 2021 The pills are made with a pill press, with the name or logo of a prescription opioid – Percocet, Vicodin, OxyContin – and milligram strength stamped on them to look just like the prescribed pain pills., 11 Nov. 2021 The approval, which comes more than two months before the FDA’s target decision date, is for a daily 960 milligram pill. NBC News, 28 May 2021 At one point, OxyContin was selling for $1 per milligram (an 80 milligram pill could sell for $80 or more). Zachary Siegel, The New Republic, 23 Apr. 2021 In 2018, prescription opioid volume fell by 29.2 billion morphine milligram equivalents, a dramatic decline. Cnn Editorial Research, CNN, 14 Apr. 2021 Distributors additionally would collect an excise tax of as much as 3 cents per milligram of THC, the sources said. Aaron Katersky, ABC News, 24 Mar. 2021 But Impossible Pork has far more sodium, at 420 milligrams. Fortune, 7 Jan. 2020 Prescriptions also have become less potent, with total morphine milligram equivalents dispensed falling by almost a third between 2014 and 2019. Kat Stromquist, Arkansas Online, 1 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'milligram.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of milligram

1797, in the meaning defined above

History and Etymology for milligram

French milligramme, from milli- + gramme gram

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Time Traveler for milligram

Time Traveler

The first known use of milligram was in 1797

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Statistics for milligram

Last Updated

30 Nov 2021

Cite this Entry

“Milligram.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2022.

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More Definitions for milligram



English Language Learners Definition of milligram

: a weight equal to 1/1000 gram


mil·​li·​gram | \ ˈmi-lə-ˌgram How to pronounce milligram (audio) \

Kids Definition of milligram

: a unit of weight equal to 1/1000 gram


variants: or chiefly British milligramme \ -​ˌgram How to pronounce milligram (audio) \

Medical Definition of milligram

: one thousandth of a gram abbreviation mg

More from Merriam-Webster on milligram

Nglish: Translation of milligram for Spanish Speakers

Britannica English: Translation of milligram for Arabic Speakers Encyclopedia article about milligram


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