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Definition of laser

laser

/ˈleɪ.zɚ/
la · ser

Plural:lasers
•
Past Simple:lasered
•
Past Participle:lasered
•
Present Participle:lasering
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laser Lexical Profile

laser Game Scores & Validity

• noun

1

A device that generates an intense, narrow beam of coherent monochromatic light through the stimulated emission of photons.

Example

"The surgeon used a precision laser to safely reshape the patient's cornea."

• verb

1

To cut, heat, or treat a material or bodily tissue using an intense beam of coherent light.

Example

"The dermatologist lasered the prominent age spots from her hands during a quick outpatient procedure."


2

To focus intently and exclusively on a specific target or objective (often followed by 'in').

Example

"The investigative journalist lasered in on the contradictory statements made by the executive."

Synonyms
View all synonyms for laser

• Rhymes for laser

Word Origin & Etymology

Coined in 1960 as an acronym for 'Light Amplification by Stimulated Emission of Radiation'. It has since become fully lexicalized as a standard word.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Laser. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/laser
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