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

An adult male may require nearly 3000 milligrams (mg) of potassium per day, while an adult woman may need 2600 mg per day. — Ayesha Gulzar, Verywell Health, 2 Nov. 2026

This savory option offers approximately 95 milligrams of vitamin C from the pepper. — Embry Roberts, Martha Stewart, 31 Oct. 2026

Participants received once-weekly injections of retatrutide at doses of 4, 9 or 12 milligrams, or a placebo, and were followed for 80 weeks. — Angelica Stabile, FOXNews.com, 28 Oct. 2026

Their average daily intake was about 31 milligrams, far less than the amount found in some caffeine pouches. — ABC News, 22 Oct. 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