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

The Cold Brew has a nice mellow coffee flavor and about as much caffeine as an 8-ounce mug of coffee at 100 milligrams. —Alaina Chou, Bon Appetit Magazine, 30 Oct. 2025

About 10%, or 80,000, of the state’s private wells fail to meet the state drinking water standard of 10 milligrams per liter. —Laura Schulte, jsonline.com, 29 Oct. 2025

The medication is usually prescribed at a 50 milligram dose and should be taken once a day for 14 days in the evening with a fatty meal. —Korin Miller, SELF, 28 Oct. 2025

Your Teeth and Bones Get Stronger A 1-cup serving of nopal provides 244 milligrams (mg) or 24% of your daily calcium needs. —Barbie Cervoni, Verywell Health, 22 Oct. 2025

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