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plasterboard

noun [U]
 
 
/ˈplɑː.stə.bɔːd/ US  /ˈplæs.tɚ.bɔːrd/

Definition

material consisting of two sheets of heavy paper with a layer of plaster between them, used to make walls and ceilings before putting on a top layer of plasterPlasteringWalls and parts of walls
(Definition of plasterboard noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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