A piece of particleboard.
particleboard definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a boardlike building material made by compressing sawdust or wood particles with a resin binder
particleboard definition by American Heritage Dictionary
or particle boardnoun
A structural material made of wood fragments, such as chips or shavings, that are mechanically pressed into sheet form and bonded together with resin.