Laser — Meaning, Definition & Synonyms

noun verb /ˈlā-zər/ la·ser

Meaning & Definition of Laser

Laser (noun)

  1. a device that utilizes the natural oscillations of atoms or molecules between energy levels for generating a beam of coherent electromagnetic radiation usually in the ultraviolet, visible, or infrared regions of the spectrum; also, the beam of coherent radiation itself
  2. something resembling a laser beam in accuracy, speed, or intensity

Laser (verb)

  1. to subject to the action of a laser, treat with a laser

Laser (noun) — Senses, Synonyms & Antonyms

  1. a device that produces a narrow and powerful stream of light that has many special uses in medicine, industry, etc.

    "doctors using a laser to perform delicate eye surgery"

    similar: spotlight, beam, ray, shaft, moonbeam, sunbeam, sunburst

Related Entry: Laser disc (noun)

Laser disc is a different word from Laser. The synonyms below are for laser disc, not for laser.

  1. as in DVD

    similar: DVD, tape, tape recording, vid, video, videotape, videocassette, videodisc

Related Entry: Laser discs (noun)

Laser discs is a different word from Laser. The synonyms below are for laser discs, not for laser.

  1. as in DVDs

    similar: DVDs, tape recordings, tapes, videos, videotapes, vids, videocassettes, videodiscs

Synonyms, Thesaurus & Another Word for Laser

The most common words with a similar meaning to Laser:

spotlight, beam, ray, shaft, moonbeam, sunbeam, sunburst

Word Forms of Laser

Inflections: lasered, lasering, lasers

Origin & Etymology of Laser

light amplification by stimulated emission of radiation

First known use: 1957

Vocabulary Lists & Topics for Laser

Words & Phrases Containing Laser

laser disc, laser print, laser printer, laser beam, chemical laser, excimer laser, free-electron laser

Frequently Asked Questions about Laser

What does "Laser" mean?

"Laser" means a device that utilizes the natural oscillations of atoms or molecules between energy levels for generating a beam of coherent electromagnetic radiation usually in the ultraviolet, visible, or infrared regions of the spectrum; also, the beam of coherent radiation itself. As an a noun and a verb, it is defined as: a device that utilizes the natural oscillations of atoms or molecules between energy levels for generating a beam of coherent electromagnetic radiation usually in the ultraviolet, visible, or infrared regions of the spectrum; also, the beam of coherent radiation itself.

What is another word for "Laser"?

Other words for "Laser" include spotlight, beam, ray, shaft, moonbeam, sunbeam and sunburst. The best synonym depends on which meaning of "Laser" you intend.

How do you use "Laser" in a sentence?

Examples of "Laser" in a sentence: "doctors using a laser to perform delicate eye surgery".

Is "Laser" a noun, verb, or adjective?

"Laser" can be used as a noun and a verb, depending on the context.

Is "Laser" useful for IELTS, TOEFL, and other English exams?

As a C1-level word, "Laser" is typical of Cambridge C1 Advanced (CAE), IELTS band 7.0–8.0, TOEFL iBT 95–113, PTE Academic 76–84, TOEIC Listening & Reading 945+. Advanced words like this are also useful for the GRE, SAT, GMAT, and LSAT.

How do you pronounce "Laser"?

"Laser" is pronounced /ˈlā-zər/ and divided into syllables as la·ser.

What is the origin of the word "Laser"?

"Laser" comes from light amplification by stimulated emission of radiation. First known use: 1957.

What is another word for "Laser" meaning "a device that produces a narrow and powerful stream of light that has many special uses in medicine, industry, etc."?

When "Laser" (noun) means a device that produces a narrow and powerful stream of light that has many special uses in medicine, industry, etc., synonyms include spotlight, beam, ray, shaft, moonbeam and sunbeam.