Definition of wallboard
: a structural boarding of any of various materials (such as wood pulp, gypsum, or plastic) made in large rigid sheets and used especially for sheathing interior walls and ceilings
Recent Examples of wallboard from the Web
Their pale fluctuating grids are made from incised wallboard whose tiny squares have been stained different shades of gray.
Foundation Building Materials Inc., a distributor of items including wallboard, metal framing and ceiling systems, has filed for an initial public offering.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wallboard.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of wallboard
WALLBOARD Defined for English Language Learners
Definition of wallboard for English Language Learners
: building material that is used for making walls and ceilings and that is made of large sheets of plaster covered with thick paper
WALLBOARD Defined for Kids
Definition of wallboard for Students
: a building material (as of wood pulp) made in large stiff sheets and used especially inside walls and ceilings
Seen and Heard
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