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Definition of Argillaceous
1. Adjective. Resembling or containing clay. "Argillaceous rocks" 
Definition of Argillaceous
1. a. Of the nature of clay; consisting of, or containing, argil or clay; clayey.
Definition of Argillaceous
1. [adj]
Medical Definition of Argillaceous
1. 
Of the nature of clay; consisting of, or containing, argil or clay; clayey.



