argillaceous

(är'jə-lā'shəs)
adj.
Containing, made of, or resembling clay; clayey.

[From Latin argillāceus : argilla, argil; see argil + -āceus, -aceous.]

(ahr-juh-LAY-shuhs)

adjective
Made of, resembling, or relating to, clay: clayey.

Etymology
From Latin argilla (clay). Ultimately from the Indo-European root arg- (to shine; white), that is also the source of words such as argentine (silvery) and argue (from Latin arguere, to make clear)

Usage
"But unlike many family movies, [the movie Akeelah and the Bee] has moments of pulchritude while showing no traces of argillaceous feet." — Ruthe Stein; Sweetly entertaining 'Bee' Takes Fresh Approach to Spelling It Out; San Francisco Chronicle; Apr 28, 2006.

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Clay-like in composition and texture, referring to rocks containing clay minerals and clay-sized particles, for example, shale.

Composed primarily of clay or shale; clayey.

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Note: click on a word meaning below to see its connections and related words.

The adjective has one meaning:

Meaning #1: resembling or containing clay
  Synonym: clayey
  Antonym: arenaceous (meaning #1)

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