[ ar-uh-ney-shuh s ]
/ ˌær əˈneɪ ʃəs /


Geology, Petrology. (of rocks) sandlike; sandy.
Botany. growing in sand.


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Origin of arenaceous

1640–50; < Latin (h)arēnaceus. See arena, -aceous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for arenaceous

British Dictionary definitions for arenaceous

/ (ˌærɪˈneɪʃəs) /


(of sedimentary rocks and deposits) composed of sand or sandstoneCompare argillaceous, rudaceous
(of plants) growing best in a sandy soil

Word Origin for arenaceous

C17: from Latin harēnāceus sandy, from harēna sand
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

Scientific definitions for arenaceous

[ ăr′ə-nāshəs ]

Resembling, derived from, or containing sand.
Growing in sandy areas.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.