academy board
noun
- heavy, smooth cardboard coated with a ground that has sufficient roughness for the application of oil paint
Wiktionary
Pronunciation: /əˈkæd.ə.mi bɔə(ɹ)d/ / /əˈkæd.ə.mi boɹd/
noun
- A heavy card used for oil painting.
Pronunciation: /əˈkæd.ə.mi bɔə(ɹ)d/ / /əˈkæd.ə.mi boɹd/