Translation guide
A large, powerful light used to illuminate outdoor areas, sports fields, or stages. In Japanese, the most common term is 投光器 (とうこうき), but other words exist depending on context.
A broad, powerful light fixture used to illuminate large areas like construction sites, outdoor events, or building exteriors.
The standard technical term for a floodlight. Used in construction, security, and event lighting.
工事現場に投光器を設置した。
We set up floodlights at the construction site.
Refers to floodlighting as a lighting method or system, often used in architectural or landscape lighting contexts.
城の投光照明が美しい。
The floodlighting of the castle is beautiful.
Tall, high-powered lights used to illuminate sports stadiums or fields for night games.
Specifically refers to the tall lighting towers at sports stadiums. Often used in baseball and soccer contexts.
野球場の照明塔が点灯した。
The floodlights at the baseball stadium turned on.
Literally 'night game lighting'. Commonly used for sports events held at night.
ナイター照明の下で試合が行われた。
The game was played under the floodlights.
A floodlight used in theater, concerts, or studio lighting to wash a stage or set with light.
Loanword from English, commonly used in stage and studio lighting contexts.
舞台にフラッドライトを当てる。
Shine a floodlight on the stage.
Technical term for a plano-convex spotlight, a type of floodlight used in theater. Very specialized.
平凸レンズスポットで背景を照らす。
Illuminate the backdrop with a plano-convex floodlight.
A floodlight with a motion sensor, often installed outside homes for security.
Common term for a motion-sensor light, often used as a security floodlight.
玄関にセンサーライトを付けた。
I installed a sensor floodlight at the entrance.
Literally 'crime prevention light', emphasizing the security purpose.
防犯ライトが突然点いた。
The security floodlight suddenly turned on.
投光器 is the general technical term and can be used in most contexts. フラッドライト is a loanword more common in entertainment and photography. For sports stadium lights, 照明塔 or ナイター照明 are more natural.
工事現場では投光器を使う。
At construction sites, they use floodlights.
写真スタジオでフラッドライトを調整する。
Adjust the floodlight in the photo studio.