gypseous

/ˈdʒɪpsiəs/
adjective
  1. Containing or resembling gypsum (a soft white or gray mineral used in plaster and fertilizer).
    • The gypseous soil in the desert was too dry for most crops.
    • Miners extracted gypseous rock from the quarry for use in construction.
    • The cave walls had a gypseous coating that sparkled in the flashlight beam.
Synonyms
What does "gypseous" mean? | whatsthatwordmean | whatsthatwordmean