Standard Lemma guide

diopside

noun · 1 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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  • General-American: /daɪˈɑpsaɪd/
  • Received-Pronunciation: /daɪˈɒpsaɪd/

1

noun

Meaning 1

A monoclinic pyroxene mineral, a magnesium calcium silicate with the chemical formula CaMgSi2O6, found in igneous and metamorphic rocks.

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

History

Etymology

From French diopside, from Ancient Greek δίοψις (díopsis, “transparency”) + -ide.

Across languages

Translations

8 source translations are retained for this English entry.

  • Catalan: diòpsid — mineral
  • Finnish: diopsidi — mineral
  • French: diopside — mineral
  • German: Diopsid — mineral
  • Italian: diopside — mineral
  • Portuguese: diópsido — mineral
  • Russian: диопси́д (diopsíd) — mineral
  • Spanish: diópsido — mineral