'hardboard' definitions:

Definition of 'hardboard'

From: WordNet
noun
A cheap hard material made from wood chips that are pressed together and bound with synthetic resin [syn: chipboard, hardboard]

Definition of 'hardboard'

From: GCIDE
  • hardboard \hard"board`\ n. a cheap hard material made from wood chips that are pressed together and bound with synthetic resin to form sheets, used in construction and various other purposes; -- called also particle board and chipboard.
  • Syn: chipboard. [WordNet 1.5]