ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
: a board used in large sheets as a backing (as for plaster or tile) or as a substitute for plaster in walls and consisting of several plies of pulpboard, paper, or felt usually bonded to a hardened gypsum plaster core
ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
: a board used in large sheets as a backing (as for plaster or tile) or as a substitute for plaster in walls and consisting of several plies of pulpboard, paper, or felt usually bonded to a hardened gypsum plaster core
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012