noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
US:/ˈmɪlɪɡɹæm/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:M IH1 L AH0 G R AE2 M
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An SI unit of mass equal to 10−3 grams. Symbol: mg
Definition source: English Wiktionary via Wiktextract
Topics: metrology
Examples
Holonyms: gram < kilogram < megagram < gigagram
Meronyms: picogram < nanogram < microgram
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
one thousandth (1/1,000) gram
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: mg
Antonyms: none provided
Broader terms: metric weight unit, weight unit
History
Etymology
Borrowed from French milligramme, equivalent to milli- + gram.
Across languages
Translations
39 source translations are retained for this English entry.