Magma

/ˈmæɡ.mə/ noun

noun ·Uncommon ·Advanced level

Meaning at a glance

  • Primary sense: The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc.
  • Grammar: magma is listed as noun.
  • Nearest alternatives: admixture, alloy, amalgam, basalt.
  • Useful contrasts: crystalized rock, crystallized rock, lava.
  • Usage evidence: Magma can rise when pieces of Earth's crust called tectonic plates slowly move away from each other. The magma rises up to fill in the space.

How to use "magma"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "magma" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "magma" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "magma" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "magma" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "magma" is acting as noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "admixture" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "magma", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc. countable, uncountable

    "By the pathside, there are occasional large boulders that shown black crystals the size of a fingernail; these are pyroxene minerals that had time to crystallise out deep within the chamber of liquid rock – or magma – beneath the volcano."

  2. 2
    molten rock in the earth's crust wordnet
  3. 3
    A basic algebraic structure consisting of a set equipped with a single binary operation. countable, uncountable
  4. 4
    Any soft doughy mass. countable, uncountable
  5. 5
    The residuum after expressing the juice from fruits. countable, uncountable

Antonyms

crystalized rockcrystallized rocklavasolid rock

Example

"Magma can rise when pieces of Earth's crust called tectonic plates slowly move away from each other. The magma rises up to fill in the space."

Common questions

What does "magma" mean?

The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc.

What is a synonym for "magma"?

Common synonyms include: admixture, alloy, amalgam, basalt, bedrock, blend.

How do you use "magma" in a sentence?

Magma can rise when pieces of Earth's crust called tectonic plates slowly move away from each other. The magma rises up to fill in the space.

How do you pronounce "magma"?

Pronounced /ˈmæɡ.mə/.

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”).

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