C1noun2K

UK/["/ˈleɪzə(r)/"]/US/["/ˈleɪzər/"]/

Meaning of Laser

a device that gives out light in which all the waves oscillate (= change direction and strength) together, typically producing a powerful beam of light that can be used for cutting metal, in medical operations, etc.

In simple words: A strong, focused beam of light.

Laser in a sentence

  • a laser beam
  • a laser navigation device
  • The barcodes on the products are read by lasers.
  • a **laser show** *(= used as entertainment)*
  • She's had **laser surgery** on her eye.
  • **laser treatment/therapy**

How to use Laser

Use 'laser' in scientific or technical contexts. It's appropriate when discussing light technology, medical procedures, or industrial applications. Avoid using it in casual conversations unrelated to these topics.

Grammar pattern

standalone noun

Memory hint

Think of a 'laser' as a 'light razor' that cuts through the dark.

Related words

Collocations with Laser

Synonyms for Laser

  • light beam
  • high-intensity light
  • coherent beam

Opposites of Laser

  • diffuse light
  • scattered light

Common mistakes with Laser

  • Confused with 'lazer', which is a mispronunciation.
  • Using 'laser' as a verb incorrectly.
  • Misunderstanding its function, thinking all lights are lasers.

Laser appears in

Laser in other languages

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Frequently asked questions about Laser

What does Laser mean?

A strong, focused beam of light.

What is the definition of Laser?

a device that gives out light in which all the waves oscillate (= change direction and strength) together, typically producing a powerful beam of light that can be used for cutting metal, in medical operations, etc.

How do you use Laser in a sentence?

a laser beam

Can you give another example of Laser?

a laser navigation device

What are synonyms for Laser?

Common alternatives include light beam, high-intensity light, coherent beam.

What is the opposite of Laser?

Opposite meanings include diffuse light, scattered light.

What words go with Laser?

It commonly pairs with powerful, infrared, use, aim, fire, beam, blast, light.

What are common mistakes when using Laser?

Confused with 'lazer', which is a mispronunciation. Using 'laser' as a verb incorrectly. Misunderstanding its function, thinking all lights are lasers.

How do you pronounce Laser?

US: /["/ˈleɪzər/"]/, UK: /["/ˈleɪzə(r)/"]/. Listen to the audio above to hear native pronunciation.

When should I use Laser?

Use 'laser' in scientific or technical contexts. It's appropriate when discussing light technology, medical procedures, or industrial applications. Avoid using it in casual conversations unrelated to these topics.

What CEFR level is Laser?

"Laser" is at C1 level on the CEFR scale.