hardboard

== English == === Etymology === From hard +‎ board. === Pronunciation === === Noun === hardboard (countable and uncountable, plural hardboards) A high-density chipboard. ==== Synonyms ==== high density fibreboard, HDF ==== Translations ==== === Verb === hardboard (third-person singular simple present hardboards, present participle hardboarding, simple past and past participle hardboarded) (transitive) To cover with hardboard.