gyprock

plural gyprocks

1. countableuncountableRock rich in gypsum; gypsic soil.

   The world distribution of gyprock outcrops and the solubility of gypsum restrict the extensive occurrence of gypsic soils to the dry regions

   2006, R. Lal, Encyclopedia of soil science 1, page 796

   1 more example

   Some high quality white or variously tinted fine-grained gyprocks, usually referred to as alabaster, were used as interior facing stones and for small statues and carved decorative objects found in Egyptian pyramids

   1979, Richard Vincent Dietrich, Brian J. Skinner, Rocks and rock minerals, page 215

2. countableuncountableDrywall.

   Cinder blocks were more durable, however, and soon gypsum was redirected for “gyprock” drywall, a wallboard...

   2012, Richard Harris, Building a Market: The Rise of the Home Improvement Industry, page 55

   Synonyms: drywall

present singular third person gyprocks · participle present gyprocking · participle past gyprocked · past gyprocked

1. transitivebusinessTo drywall.