Library / English Dictionary

LASER

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Synonyms:

laser; optical maser

Classified under:

Nouns denoting man-made objects

Hypernyms ("laser" is a kind of...):

optical device (a device for producing or controlling light)

Holonyms ("laser" is a part of...):

photocoagulator (surgical instrument containing a laser for use in photocoagulation)

 II. (verb) 

Sense 1

Present simple (first person singular and plural, second person singular and plural, third person plural) of the verb laser

Credits

 Context examples: 

Treatment for CIN 2 may include cryotherapy, laser therapy, loop electrosurgical procedure (LEEP), or cone biopsy to remove or destroy the abnormal tissue.

(CIN 2, NCI Dictionary)

Previously, similar laser techniques could only make two dimensional structures, and other methods for shrinking 3D objects were much slower and more difficult to perform in most labs.

(Researchers Use Laser to Shrink Objects to Nanoscale, The Titi Tudorancea Bulletin)

Treatments of corneal disorders include medicines, corneal transplantation, and corneal laser surgery.

(Corneal Disorders, NIH National Eye Institute)

Treatment often includes laser treatment or surgery, with follow-up care.

(Diabetic Eye Problems, NIH: National Institute of Diabetes and Digestive and Kidney Diseases)

The cells are stained with a light-sensitive dye, placed in a fluid, and passed in a stream before a laser or other type of light.

(Flow cytometry, NCI Dictionary)

When laser light is applied, a photodynamic reaction between HPPH and oxygen occurs, resulting in the production of cytotoxic free radicals and singlet oxygen and free radical-mediated cell death.

(HPPH, NCI Thesaurus)

Small transparent objects can be isolated or fixed using focused laser light.

(Optical Trap, NCI Thesaurus)

It may include surgery, radiation therapy, freezing or heat therapy, or laser therapy.

(Eye Cancer, NIH)

It was developed by Dr. Thomas Fitzpatrick in 1975 to determine patient's skin reaction to laser and light therapy treatments.

(Fitzpatrick Classification Scale, NCI Thesaurus)

A laser in which light is emitted by a fluorescent organic dye and which can be tuned to radiate at any of a wide range of frequencies.

(Dye Laser, NCI Thesaurus)