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

Depending on which plant serves you, Philly tap water carries 4 to 44 milligrams of sodium per 8-ounce glass. — Christine Kirchhoff, The Conversation, 30 July 2026

Experts recommend adults consume about 90 milligrams of vitamin C daily. — Joy Emeh, Health, 30 July 2026

The phase 3 clinical trial investigated a 280 milligram dose of Simtriyo taken once daily for adults with ADHD and anxiety. — Rob Williams, EverydayHealth.com, 28 July 2026

Instead of a cap of 5% THC on cannabis oil, patients will now have access to a wider range of products including cannabis flower, edibles and inhalable options, limited to 12,000 milligrams of THC in a patient’s possession at any one time. — A.j. Herrington, Forbes.com, 27 July 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