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

There’s also only 5 grams of fat and 250 milligrams of sodium per serving, which is a far cry from other options that can have upwards of 15 to 20 grams of fat per serving. —Tara Massouleh McCay, Southern Living, 10 May 2026

The tolerable upper intake level (UL) for magnesium from supplements and medications is 350 milligrams (mg) per day for adults. —Sarah Jividen, Verywell Health, 7 May 2026

Ferguson prescribed 120 milligrams of oxycodone per day to two patients — one for chronic pain and partial quadriplegia following an accident, and another for ankle and shoulder pain. —Amber Gaudet, Charlotte Observer, 6 May 2026

Sodium content can range from a few hundred milligrams to a full gram per serving, depending on whether the product is built for everyday hydration or heavy endurance work. —Sacbee.com, 6 May 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