argillaceous

adjective

ar·​gil·​la·​ceous ˌär-jə-ˈlā-shəs How to pronounce argillaceous (audio)
: of, relating to, or containing clay or clay minerals : clayey

Examples of argillaceous in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Following a strong January in which investors began digging their way out of last year’s losses, investors hit a level of argillaceous soil in February. Jj Kinahan, Forbes, 8 Mar. 2023

Word History

First Known Use

1676, in the meaning defined above

Time Traveler
The first known use of argillaceous was in 1676

Dictionary Entries Near argillaceous

Cite this Entry

“Argillaceous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/argillaceous. Accessed 21 Dec. 2024.

Kids Definition

argillaceous

adjective
ar·​gil·​la·​ceous ˌär-jə-ˈlā-shəs How to pronounce argillaceous (audio)
: of, relating to, or containing clay or the minerals of clay
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