ebonizeEnglishOxford Dictionary of Englishebonize /ˈɛbənʌɪz / (British English also ebonise) ▸ verb [with object] make (furniture) look like ebony: there was a way to actually ebonize a tannin rich wood like walnut. ▪ make black or dark: dark and boiling thunderclouds would ebonize the sky.