レーザー

れーざー
noun
laser
sciencetechnology
1. laser
A device that produces a narrow, intense beam of light, and the beam itself. Used in medicine, printers, measurement, and light shows.
レーザーで切(き)る。
To cut with a laser.
I had laser eye surgery.
At the end of the concert, multicolored lasers lit up the hall.

Also spelled レーザ in technical writing.

Common collocations

  • レーザー光線(こうせん): laser beam
  • レーザー治療(ちりょう): laser treatment
  • レーザーポインター: laser pointer
  • レーザープリンター: laser printer

Watch out

レーザー 'laser' and レザー 'leather' differ only in vowel length; say the long ー clearly.