rudaceous

British

/ ruːˈdeɪʃəs /

adjective

(of conglomerate, breccia, and similar rocks) composed of coarse-grained material Compare arenaceous argillaceous

"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

Etymology

Origin of rudaceous

C20: from Latin rudis coarse, rough + _-aceous

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023