wallboardEnglishOxford Dictionary of Englishwallboard /ˈwɔːlbɔːd / ▸ noun [mass noun] mainly North American English a type of board made from wood pulp, plaster, or other material, used for covering walls and ceilings: install waterproof wallboard around a shower. ▪ [count noun] a piece of wallboard: they have chosen wallboards and ceiling sheets in lieu of wood.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English