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
Recent Examples on the Web
Men need 3,400 milligrams of potassium each day, while women need 2,600 milligrams.
—
Zia Sherrell, Health, 7 Feb. 2026
Concentration The concentration of echinacea is given in milligrams or mg.
—Bestreviews, Mercury News, 6 Feb. 2026
Different studies have found effects between 40 and 300 milligrams daily—which is between half a cup and four cups of coffee.
—Katharine Gammon, Time, 6 Feb. 2026
The recall affects 60- and 120-count bottles of 1,000-milligram capsules, totaling about 42,740 bottles.
—Michele Laufik, Martha Stewart, 5 Feb. 2026
See All Example Sentences for milligram
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Zia Sherrell, Health, 7 Feb. 2026
Concentration The concentration of echinacea is given in milligrams or mg.
—Bestreviews, Mercury News, 6 Feb. 2026
Different studies have found effects between 40 and 300 milligrams daily—which is between half a cup and four cups of coffee.
—Katharine Gammon, Time, 6 Feb. 2026
The recall affects 60- and 120-count bottles of 1,000-milligram capsules, totaling about 42,740 bottles.
—Michele Laufik, Martha Stewart, 5 Feb. 2026
See All Example Sentences for milligram
Cite this Entry
“Milligram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milligram. Accessed 14 Feb. 2026.
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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