Argillaceous

//ɑːd͡ʒɪlˈeɪʃəs// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Pertaining to clay; made of, containing, or resembling clay; clayey.

    "[…] natural colossi from two to five hundred feet high, done in argillaceous sandstone or a singular species of conglomerate, all of which owe their existence almost entirely to the agency of wind."

Adjective
  1. 1
    resembling or containing clay wordnet

Synonyms

All synonyms
clayey

Example

More examples

"[…] natural colossi from two to five hundred feet high, done in argillaceous sandstone or a singular species of conglomerate, all of which owe their existence almost entirely to the agency of wind."

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.