adjective ar·gil·la·ceous \ˌär-jə-ˈlā-shəs\

Definition of ARGILLACEOUS

:  of, relating to, or containing clay or clay minerals :  clayey

First Known Use of ARGILLACEOUS

circa 1731


Next Word in the Dictionary: argillicPrevious Word in the Dictionary: argillaceo-All Words Near: argillaceous
July 01, 2015
precarious Hear it
not certain, secure, or steady
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