B2nountechnologyscience
US/ˈleɪ.zər/
UK/ˈleɪ.zə/
a narrow, very strong beam of light, used in machines, medicine and lighting
In context
My cousin had laser surgery and no longer needs glasses.
The teacher used a laser pointer to show us the map.
Doctors now use lasers to remove scars and old tattoos.
Words that go with laser
noun + noun
- laser surgeryLaser surgery for the eyes takes only about fifteen minutes.
- laser beamA laser beam cuts the metal into perfect shapes.
- laser pointerNever point a laser pointer at someone's eyes.
- laser treatmentShe had laser treatment to remove the dark spots on her face.
- laser printerA laser printer is faster than an inkjet one.
Common mistakes
Incorrect:
lazer surgeryCorrect: laser surgery