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Definition of Gypsum board
1. Noun. Wallboard with a gypsum plaster core bonded to layers of paper or fiberboard; used instead of plaster or wallboard to make interior walls.
Exact synonyms: Plasterboard
Specialized synonyms: Sheetrock
Generic synonyms: Dry Wall, Drywall, Wallboard
Specialized synonyms: Sheetrock
Generic synonyms: Dry Wall, Drywall, Wallboard