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

These kinds of fireworks include items like firecrackers, Roman candles, bottle rockets and other fireworks with a maximum of 50 milligrams of explosive material, according to Pennsylvania State Police. —Finch Walker, USA Today, 12 June 2026

It's generally recommended to limit caffeine consumption to no more than 400 milligrams per day, so drinking multiple cups of green tea each day should be safe for most people. —Laura Schober, Health, 12 June 2026

The researchers cited previous studies that associated a daily intake of 500 milligrams of flavanols with cardiovascular benefits. —Teresa Mull, FOXNews.com, 12 June 2026

Her drink comes in a 12-pack of 12-ounce cans, each with zero calories and 200 milligrams of caffeine. —Joseph Konig, PEOPLE, 11 June 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