Lazer vs. Laser: The Correct Spellings

Remember that "laser" stands for "Light Amplification..." and not "Laze Amplification." Associating the word with its full form can reinforce the correct spelling.

The term "laser" stands for "Light Amplification by Stimulated Emission of Radiation." It is an acronym, explaining why "lazer" with a 'z' is not correct.

Lasers were conceptualized in the early 20th century, with the theory's foundations laid by Albert Einstein in 1917. Practical lasers were developed in the 1960s, revolutionizing various fields including medicine, communications, and manufacturing.

From "laser," we derive terms such as "lasered" (meaning something has been subjected to a laser) and "lasing" (referring to the operation or process involving a laser).

"Lazer" is occasionally used colloquially, the standardized and scientifically accepted spelling is "laser." The distinction arises from the origin and full form of the word.

Incorrect: Can you turn off the lazer?

Correct: Can you turn off the laser?

Incorrect: The lazer beam can cut through metal.

Correct: The laser beam can cut through metal.

Incorrect: He bought a lazer pointer for the presentation.

Correct: He bought a laser pointer for the presentation.

Incorrect: She is fascinated by lazer technology.

Correct: She is fascinated by laser technology.

Incorrect: The lazer surgery was successful.

Correct: The laser surgery was successful.

A device that produces a coherent beam of light with a specific wavelength.

An instrument in medical surgeries for cutting or destroying tissue.

A concentrated beam of light used in various industrial applications.

A tool in communication systems to transmit data over long distances.

A means for reading digital data, as in CD or DVD players.

Any of several devices that emit highly amplified and coherent radiation of one or more discrete wavelengths. One of the most common lasers makes use of atoms in a metastable energy state, which, as they decay to a lower energy level, stimulate others to decay, resulting in a cascade of emitted radiation.

A beam of radiation emitted by a laser.

(Sports)A ball or puck sent in a straight line at high speed

A device that produces a monochromatic, coherent beam of light.

A beam of light produced by such a device; a laser beam.

A laser printer.

A gum resin obtained from certain umbelliferous plants.

Such a plant.

To cut with a laser.

(sports) To throw or kick with laser-like precision.

A device which produces an intense, usually narrow, monochromatic beam of coherent light; called also optical maser. It has various forms, and is used in various applications in science and technology. The beam is produced by boosting the majority of the electrons in specific radiation-absorbing atoms in a medium into a higher energy level, from which they are stimulated by their own emitted radiation to drop back synchronously to their lower energy level, and emit light which is in phase (coherent).

an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light

The laser show at the concert was amazing.

Laser cutting is precise and efficient for manufacturing.

The scientist used a laser to conduct the experiment.

Laser printers produce high-quality printouts.

They used a laser level to ensure the shelves were straight.

The museum exhibit featured historical laser technology.

He adjusted the laser pointer before starting his presentation.

The laser pen can be used for pointing or as a toy for cats.

The doctor recommended laser eye surgery to correct her vision.

The laser scanner quickly captured the dimensions of the room.

He pointed the laser beam at the target.

Laser tag is a fun game for kids and adults.

The laser engraved the logo perfectly onto the surface.

They measured the distance using a laser rangefinder.

The laser light can be dangerous to the eyes without protection.

The security system includes laser sensors to detect movement.

The laser projector offers a clear and bright image.

The laser sailboat is a popular choice for racing.

She uses a laser thermometer to measure the temperature.

Laser-guided missiles have increased accuracy.

Laser hair removal is a popular cosmetic procedure.

Laser therapy is used for treating various medical conditions.

She bought a laser disc player for her vintage collection.

He wore laser safety goggles during the experiment.

Extremely accurate and precise.

Concentrating very hard on one particular thing.

Direct and focused.

Working with intense focus and efficiency.

Strategies that are playful yet competitive.

Close and critical examination.

With extreme intensity or focus.

Very sharp or clear.

To deal with something very effectively.

A metaphor for something very straight or focused.

Of very high quality, usually referring to prints or images.

Something that is directed or guided with great precision.

With extreme accuracy.

Very fast or quick.

To focus closely on something.

Extremely determined.

Very detailed and precise.

To concentrate intensely on a particular area.

Referring to the most advanced and innovative laser technology.

While the concept of lasers dates back to Einstein's theories in 1917, the term "laser" became more commonplace with practical developments in the 1960s.

Lasers are pivotal due to their precision, coherence, and ability to deliver high amounts of energy, making them invaluable in fields like medicine, communications, and manufacturing.

While "lazer" might be found in colloquial contexts or artistic uses, in scientific and formal writing, "laser" is always the preferred spelling.

"Lazer" is incorrect because "laser" is an acronym for "Light Amplification by Stimulated Emission of Radiation."

Remember the acronym: "Light Amplification by Stimulated Emission of Radiation" to reinforce that "laser" is the correct spelling.

Laser is an acronym for "Light Amplification by Stimulated Emission of Radiation."

While the foundational theories for lasers were posited by Einstein in 1917, practical laser devices were developed in the 1960s.

Lasers are commonly used in medical surgeries, communication systems, data reading devices like CD/DVD players, and various industrial applications.

English orthography often doesn't change based solely on phonetics; in the case of "laser," its origin as an acronym dictates its correct spelling.

Yes, lasers can be harmful if misused. For instance, they can cause eye injuries or burns, emphasizing the importance of safety precautions.