rhizoverbBeta
DictionarylaserConcentrated light
noun / verb

laser

LAY-zer/ˈleɪzər/

A device that produces a narrow, intense beam of light.

The laser sends a narrow red beam through mist toward the target.

A compact laser device emits a single narrow red beam through a small area of faint mist toward a matte target, producing one bright red dot.
Etymology
lEnglishlight
+aEnglishincrease in intensity
+sEnglishinduce
+eEnglishgiving out
+rEnglishradiant energy

The initials stand for “light amplification by stimulated emission of radiation.” The device takes its name from the process that produces its intense beam.

In context

Veritasium1:38
Over here I have a laser. And that laser beam represents a ray from the sun.
What They (Probably) Don't Teach You About Rainbows At School

More examples

  • The surgeon uses a laser to reshape the cornea.
  • A small laser inside the player reads the disc.
  • The machine lasers a pattern into the wood.

Forms

laser · lasers · lasered · lasering