Standard Lemma guide

magnesite

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.

  • /ˈmæɡnəzaɪt/
  • CMU ARPABET: M AE1 G N AH0 S AY2 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A form of magnesium carbonate, MgCO3, occurring as dolomite (with calcite) but rarely found in the pure state.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a white mineral consisting of magnesium carbonate; a source of magnesium

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: mineral

History

Etymology

Named after its composition in 1807.

Across languages

Translations

17 source translations are retained for this English entry.

  • Armenian: մագնեզիտ (magnezit) — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Catalan: magnesita — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Czech: magnezit — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Danish: magnesit — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Dutch: magnesiet — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Finnish: magnesiitti — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • French: magnésite — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • German: Magnesit — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Greek: μαγνησίτης (magnisítis) — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Greek: λευκόλιθος (lefkólithos) — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Italian: magnesite — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Polish: magnezyt — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Portuguese: magnesita — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Russian: магнези́т (magnezít) — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Spanish: magnesita — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Turkish: magnezit — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state
  • Ukrainian: магнези́т (mahnezýt) — a form of magnesium carbonate, O3, occurring as dolomite (with calcite) but rarely found in the pure state