argillaceous

[ ahr-juh-ley-shuh s ]
/ ˌɑr dʒəˈleɪ ʃəs /
|

adjective

Geology, Petrology. of the nature of or resembling clay; clayey.
containing a considerable amount of clayey matter.

Nearby words

  1. argh,
  2. arghool,
  3. argie,
  4. argie-bargie,
  5. argil,
  6. argilliferous,
  7. argillite,
  8. argillitic,
  9. arginase,
  10. arginine

Origin of argillaceous

First recorded in 1725–35, argillaceous is from the Latin word argillāceus clayish. See argil, -aceous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for argillaceous


British Dictionary definitions for argillaceous

argillaceous

/ (ˌɑːdʒɪˈleɪʃəs) /

adjective

(of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etcCompare arenaceous (def. 1), rudaceous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012