laser beam

American

noun

a beam of radiation produced from a laser, used in surgery, communications, weapons systems, printing, recording and various industrial processes.

Etymology

Origin of laser beam

First recorded in 1960–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers interact with these atoms by directing carefully tuned laser beams at them, effectively giving instructions that allow calculations to take place.

From Science Daily

Uppu explains that careful control of the laser beam is the key to the new method.

From Science Daily

Two such condensates were separated by a narrow optical barrier formed by a focused laser beam.

From Science Daily

Green laser beams cross the space, bouncing from mirror to mirror.

From Science Daily

Those of you who enjoy shooting laser beams at your friends for sport can bamboozle your opponents by crying out, “Here comes my Light Amplification by Stimulated Emission of Radiation!” just before you fire.

From Literature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023