gypseous

The geologist examined the gypseous rock formation.

Definition

1. Adjective:
   • Containing or resembling gypsum: "gypseous" describes a substance that is composed of, contains, or has the characteristics of gypsum, a soft sulfate mineral used in making plaster and drywall.

Usage Examples

• (The soil contains gypsum.)
• (The walls resembled or were coated with gypsum.)
• (The rock contains gypsum.)

Advanced Usage

• "gypseous deposits": natural accumulations of gypsum, often found in sedimentary layers.
  • The miners extracted gypseous deposits from the ancient seabed. (They removed gypsum-rich material.)
• "gypseous crust": a hard layer of gypsum that forms on soil or rock surfaces in arid climates.
  • The desert landscape was covered in a gypseous crust that crunched underfoot. (A gypsum-based surface layer.)

Variants and Related Words

• Gypsum (n): the mineral itself.
  • Gypsum is used to make plaster of Paris. (The base mineral.)
• Gypsiferous (adj): containing or yielding gypsum (similar to gypseous but more specific to soil or rock).
  • The gypsiferous soil supported unique plant species. (Soil rich in gypsum.)

Synonyms

• Gypsiferous: containing gypsum.
• Gypsum-bearing: having gypsum as a component.
• Chalky: resembling chalk (though gypsum is softer than chalk, this is sometimes used loosely).

Related Idioms