noun · 5 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
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/ˈmæɡ.mə/
US:Recorded audio is listed in the source snapshot.
rhymes with -æɡmə
CMU ARPABET:M AE1 G M AH0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A mixture of molten silicate rock, crystals, and gas within the earth, which may be erupted as lava or cool in place to form igneous intrusions.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A basic algebraic structure consisting of a set equipped with a single binary operation.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Any soft doughy mass.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
The residuum after expressing the juice from fruits.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
molten rock in the earth's crust
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: rock, stone
History
Etymology
Etymology tree Proto-Indo-European *mh2ǵyéti Ancient Greek μάσσω (mássō) Proto-Indo-European *-mn̥ Ancient Greek -μα (-ma) Ancient Greek μάγμα (mágma)der. English magma From Ancient Greek μάγμα (mágma, “paste”).
Across languages
Translations
75 source translations are retained for this English entry.
Afrikaans:
magma
— molten matter
Arabic:
صُهَارَة
(ṣuhāra)
— molten matter
Arabic:
مَاغْمَا
(māḡmā)
— molten matter
Armenian:
մագմա
(magma)
— molten matter
Asturian:
magma
— molten matter
Belarusian:
ма́гма
(máhma)
— molten matter
Bulgarian:
ма́гма
(mágma)
— molten matter
Catalan:
magma
— molten matter
Chinese Mandarin:
岩漿 /岩浆
(yánjiāng)
— molten matter
