Definition of scraperboard in English:

scraperboard

noun

British
  • [mass noun] Cardboard or board with a blackened surface which can be scraped off for making white line drawings.

    • ‘He worked in etching and scraperboard as well as wood engraving and also made detailed bird studies in watercolour.’
    • ‘Emmanuel moved from mezzotint to scraperboard, bagging First Prize at the First Sasol Wax in Art competition in 2002.’

Pronunciation:

scraperboard

/ˈskreɪpəbɔːd/