Standard Lemma guide

diabase

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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  • /ˈdaɪ.əˌbeɪs/
  • Recorded audio is listed in the source snapshot.
  • CMU ARPABET: D AY1 AH0 B EY2 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A fine-grained igneous rock composed mostly of pyroxene and feldspar.

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

History

Etymology

From French diabase, from Ancient Greek διάβασις (diábasis).

Across languages

Translations

7 source translations are retained for this English entry.

  • Finnish: diabaasi — a fine-grained igneous rock
  • French: diabase — a fine-grained igneous rock
  • Polish: diabaz — a fine-grained igneous rock
  • Polish: doleryt — a fine-grained igneous rock
  • Russian: диаба́з (diabáz) — a fine-grained igneous rock
  • Spanish: diabasa — a fine-grained igneous rock
  • Turkish: diyabaz — a fine-grained igneous rock