English
Etymology
Originally a trade name
Noun
en-noun|sg=sheet rock|-
- Pre-hardened plaster of Paris (gypsum|gypsum) sold in large panels and used as a wall surface in building construction.
#:In North America, use of sheet rock has virtually replaced plaster and lathe for interior walls in new construction.
Synonyms
(gypsum sheeting for wall surface construction): drywall, wall board
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