Dictionary

wallboard

noun wall·board \ˈwl-ˌbrd\

: building material that is used for making walls and ceilings and that is made of large sheets of plaster covered with thick paper

Full Definition of WALLBOARD

:  a structural boarding of any of various materials (as wood pulp, gypsum, or plastic) made in large rigid sheets and used especially for sheathing interior walls and ceilings
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First Known Use of WALLBOARD

1906
WALLBOARD Defined for Kids

wallboard

noun wall·board \ˈwl-ˌbrd\

Definition of WALLBOARD for Kids

:  a building material (as of wood pulp) made in large stiff sheets and used especially inside walls and ceilings

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