high beam
Refers to the brighter, longer-range headlight setting on a vehicle. Used in automotive contexts.
夜の山道ではハイビームを使ったほうが安全だ。
On mountain roads at night, it's safer to use high beams.
対向車が来たらハイビームをロービームに切り替えてください。
When an oncoming car approaches, please switch from high beams to low beams.
Variant with interpunct; less common in everyday writing.
Loanword from English 'high beam'.