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Definition of Sheet rock
1. Noun. Pre-hardened plaster of Paris (gypsum) sold in large panels and used as a wall surface in building construction. ¹
¹ Source: wiktionary.com
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1. Noun. Pre-hardened plaster of Paris (gypsum) sold in large panels and used as a wall surface in building construction. ¹
¹ Source: wiktionary.com