noun
laser
LAYZ-uh
noun
1
A device that produces a narrow, highly focused beam of light through amplified light emission.
"Doctors used a laser to correct her vision."
"The presenter pointed at the slide with a laser pointer."
verb
1
To treat, cut, or mark something using a laser.
"The tattoo was lasered off over several sessions."
How to Use Laser
Learner’s notesIn plain EnglishA concentrated beam of light used for cutting, measuring, medical treatment, or pointing.
Common pairings
laser pointer
laser surgery
laser-focused
Word Forms
lasered past tense, lasers plural, Lasers plural, lasers singular
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Doctors used a _____ to correct her vision.
Etymology
An acronym for "light amplification by stimulated emission of radiation," coined by physicist Gordon Gould in 1957.