バックライト
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Meanings
1
backlight; backlighting
General term for illumination from behind, used in photography, design, and everyday descriptions.
In this photo, the backlight is too strong and the face is dark.
2
Specifically the light source behind an LCD screen; common in tech contexts.
The backlight of the LCD display has failed.
3
backup light; reversing light
Automotive term for the white light that comes on when a vehicle is in reverse gear.
The car's backup light is out, so I need to replace it.