Standard Lemma guide

argillaceous

adj · 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

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  • Received-Pronunciation: /ɑːd͡ʒɪlˈeɪʃəs/
  • General-American: /ɑɹd͡ʒɪlˈeɪʃəs/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃəs

1

adj

Meaning 1

Pertaining to clay; made of, containing, or resembling clay; clayey.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective

Meaning 2

resembling or containing clay

Definition source: Princeton WordNet 3.0

Examples

  • argillaceous rocks

Meaning relationships

Synonyms: clayey

Antonyms: arenaceous

History

Etymology

From Latin argillaceus, from argilla (“clay”), from Ancient Greek ἄργιλλος (árgillos, “white clay, potter's earth”), from ἀργός (argós, “white”).

Across languages

Translations

13 source translations are retained for this English entry.

  • Bulgarian: глинест (glinest) — pertaining to clay
  • Bulgarian: съдържащ глина — pertaining to clay
  • French: argilacé — pertaining to clay
  • French: argileux — pertaining to clay
  • German: tonartig — pertaining to clay
  • German: tonhaltig — pertaining to clay
  • Italian: argilloso — pertaining to clay
  • Latin: argillaceus — pertaining to clay
  • Polish: gliniasty — pertaining to clay
  • Portuguese: argiloso — pertaining to clay
  • Portuguese: argiláceo — pertaining to clay
  • Russian: гли́нистый (glínistyj) — pertaining to clay
  • Spanish: arcilloso — pertaining to clay