Beaverboard (also beaver board) is a fiberboard building material, formed of wood fibre compressed into sheets. It was originally a trademark. It has occasionally been used as a canvas by artists; most famously, the iconic painting American Gothic (1930) by Grant Wood is painted on a beaverboard panel.
- "beaverboard." The American Heritage Dictionary of the English Language, Fourth Edition. Houghton Mifflin Company, 2004. Answers.com 11 Apr. 2008. http://www.answers.com/topic/beaverboard
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