milligram
noun
mil·li·gram
ˈmi-lə-ˌgram 
: a unit of mass equal to ¹/₁₀₀₀ gram see Metric System Table
Examples of milligram in a Sentence
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Type of Cholesterol Total cholesterol Non-HDL (level of all unhealthy cholesterol in your blood minus HDL)
LDL
Too High
Above 200 milligrams per deciliter of blood (mg/dL)
Above 130 mg/dL
Above 100 mg/dL
Preventing High Cholesterol
Adopting a healthy lifestyle helps prevent high cholesterol.
—
Michael Menna, Verywell Health, 6 June 2025
While a small to moderate amount of coffee has anti-inflammatory benefits, more than 400 milligrams of caffeine a day can actually cause inflammation, Lindsay Malone, MS, RDN, LD, instructor and clinical dietitian at Case Western Reserve University School of Medicine, told Health.
—Stephanie Anderson Witmer, Health, 4 June 2025
Meanwhile, about 40% of US children had access to optimal fluoride levels that effectively prevent tooth decay – between 0.6 and 1.5 milligrams per liter – while about 46% had access to even lower levels.
—Deidre McPhillips, CNN Money, 30 May 2025
Two milligrams of fentanyl can be lethal depending on a person’s body size, tolerance and past usage, according to the U.S. Drug Enforcement Administration.
—Rosalio Ahumada, Sacbee.com, 29 May 2025
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Michael Menna, Verywell Health, 6 June 2025
While a small to moderate amount of coffee has anti-inflammatory benefits, more than 400 milligrams of caffeine a day can actually cause inflammation, Lindsay Malone, MS, RDN, LD, instructor and clinical dietitian at Case Western Reserve University School of Medicine, told Health.
—Stephanie Anderson Witmer, Health, 4 June 2025
Meanwhile, about 40% of US children had access to optimal fluoride levels that effectively prevent tooth decay – between 0.6 and 1.5 milligrams per liter – while about 46% had access to even lower levels.
—Deidre McPhillips, CNN Money, 30 May 2025
Two milligrams of fentanyl can be lethal depending on a person’s body size, tolerance and past usage, according to the U.S. Drug Enforcement Administration.
—Rosalio Ahumada, Sacbee.com, 29 May 2025
See All Example Sentences for milligram
Cite this Entry
“Milligram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milligram. Accessed 9 Jun. 2025.
Copy CitationKids Definition
milligram
noun
mil·li·gram
ˈmil-ə-ˌgram
: 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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