Standard Lemma guide

arkose

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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  • CMU ARPABET: AA0 R K OW1 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An arenite sandstone consisting of at least 25% feldspar grains.

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

Borrowed from French arkose.

Across languages

Translations

8 source translations are retained for this English entry.

  • Catalan: arcosa — feldspathic arenite sandstone
  • Czech: arkóza — feldspathic arenite sandstone
  • Finnish: arkoosihiekkakivi — feldspathic arenite sandstone
  • Finnish: arkoosi — feldspathic arenite sandstone
  • German: Arkose — feldspathic arenite sandstone
  • Polish: arkoza — feldspathic arenite sandstone
  • Portuguese: arcose — feldspathic arenite sandstone
  • Spanish: arcosa — feldspathic arenite sandstone