backlightEnglishOxford Dictionary of Englishbacklight /ˈbaklʌɪt / ▸ noun [mass noun] illumination from behind: [as modifier] the camera offers useful features such as backlight compensation. ▸ verb (past backlit; past participle backlit or past participle backlighted) [with object] illuminate from behind: (backlit as adjective) a backlit LCD screen. – DERIVATIVES backlighting /ˌbakˈlʌɪtɪŋ , ˈbakˌlʌɪtɪŋ / noun