laser

US /ˈlezɚ/

UK /ˈleɪzə(r)/

B1

noun

  • Strong narrow beam of high-powered light
  • The component in a CD or DVD player that reads the data.
  • A device that emits a narrow beam of coherent light.
  • A medical or cosmetic treatment using a laser.

other

  • To cut or engrave with a laser.
  • To treat with a laser.
  • To treat or cut something with a laser.