laser

Meanings

1. 1
   noun

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

   Surgeons can use a laser to perform delicate operations.

2. 2
   noun

   The beam of light produced by such a device.

   The security system used a network of invisible lasers.

3. 3
   verb

   To cut, treat, or remove something using a laser.

   She had her eyes lasered to correct her short sight.

Appears in

Simplified etymology

Laser, dating from 1960, was formed from the initial letters of “light amplification by the stimulated emission of radiation.”

From Latin laser.

Topics

External links

• Google Images
• Cambridge Dictionary
• Wiktionary