WordReference Random House Unabridged Dictionary of American English © 2026
fi•ber•board
(fī′bər bôrd′, -bōrd′),USA pronunciation n.
- Buildinga building material made of wood or other plant fibers compressed and cemented into rigid sheets.
- Buildinga sheet of this.
- fiber + board 1895–1900
'fiberboard' also found in these entries (note: many are not synonyms or translations):