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Definition of milligram
milligram
/ˈmɪl.ɪ.ɡræm/
(UK: milligramme)
mil · li · gram
Plural:milligrams
milligram Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
Top 5k
milligram Game Scores & Validity
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• noun
1
A unit of mass in the metric system equal to one thousandth of a gram (0.001 grams), commonly used to measure medication doses and nutritional content.
Example
"The doctor prescribed a daily dose of fifty milligrams of the medication to manage her symptoms."
• Rhymes for milligram
• Nearby Words
Word Origin & Etymology
Derived from the French 'milligramme', combining the Latin prefix 'milli-' (thousandth) and 'gramme' (from Late Latin 'gramma', a small weight).
Cite this Entry
Wordmom. (2026). Definition of Milligram. In Wordmom Dictionary. Retrieved Oct 13, 2026, from https://wordmom.com/dictionary/milligram