hardboard

[hahrd-bawrd, -bohrd]

Origin of hardboard

First recorded in 1925–30; hard + board
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hardboard

hardboard

noun
  1. a thin stiff sheet made of compressed sawdust and wood pulp bound together with plastic adhesive or resin under heat and pressure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012