plas.ter.board
n.(名词)A rigid board made of layers of fiberboard or paper bonded to a gypsum plaster core, used instead of plaster or wood panels in construction to form walls.Also called gypsum board ,wallboard 石膏灰泥板,石膏板:由石膏灰泥作芯板结合几层纤维板或纸浆板制成的硬板,在建筑中用于代替灰泥或木板来建造墙壁也作 gypsum board,wallboard