pressboard

[ pres-bawrd, -bohrd ]
/ ˈprɛsˌbɔrd, -ˌboʊrd /

noun

a kind of millboard or pasteboard.

Origin of pressboard

First recorded in 1905–10; press1 + board
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019