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Of, relating to, or containing gypsum.

[From Late Latin gypseus, from Latin gypsum, gypsum; see gypsum.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈdʒɪp si əs)

of or pertaining to gypsum.
[1655–65; < Late Latin gypseus. See gypsum, -eous]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in classic literature ?
"A warrior in armor with a gypseous pipe in his hand leans against a table and blows the smoke far away of himself."
[29] reported a reduction in UCS of lime-treated gypseous soil with increase in number of freeze-thaw cycles.
Moret-Fernandez D, Pueyo Y, Bueno CG, Alados CL (2011) Hydro-physical responses of gypseous and non-gypseous soils to livestock grazing in a semiarid region of NE Spain.
Al-Mukhtar, "Geotechnical properties of lime-treated gypseous soils," Applied Clay Science, vol.