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

Frozen meals generally contain at least 400 milligrams (mg) of sodium per serving, which can quickly add up, especially if the meal is more than one serving. —Amy Brownstein, Verywell Health, 5 Mar. 2026

Agalopol currently takes a 75-milligram dose of mitragynine, the primary alkaloid in kratom, when necessary. —Karen Garcia, Los Angeles Times, 4 Mar. 2026

The robot showed no drop in function even when carrying up to 1,700 times its own body weight, roughly 300 milligrams. —Neetika Walter, Interesting Engineering, 3 Mar. 2026

The results revealed arsenic well above ADEQ’s Soil Remediation Levels of 10 milligrams per kilogram. —Sarah Henry, AZCentral.com, 1 Mar. 2026

Word History

Etymology

French milligramme, from milli- + gramme gram

First Known Use

1797, in the meaning defined above

Rhymes for milligram

• abraham
• anagram
• cablegram
• cofferdam
• dendrogram
• diagram
• diaphragm
• epigram
• hexagram
• histogram
• hologram
• instagram

Kids 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

-ˌgram 

: one thousandth of a gram

—abbreviation mg