逆ぎゃく光こう線せんMeaningsNoun1. backlight (in photography, etc.); illumination (of the subject) from behindOther readings逆ぎゃっ光こう線せんKanji used逆reverse光ray線linePitch accentぎゃくこうせんComposed of逆ぎゃく光こうbacklight (in photography, etc.); illumination (of the subject) from behindNoun線せんline; stripe; stria; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad); track; route; …Noun