Definition of Laser

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

Exact synonyms: Optical Maser
Generic synonyms: Optical Device
Group relationships: Photocoagulator

Definition of Laser

1. Noun. A device that produces a monochromatic, coherent beam of light. ¹

2. Verb. To cut with a laser ¹

3. Verb. (sports) To throw with laser-like precision ¹

4. Noun. A gum resin obtained from certain umbelliferous plants. ¹

5. Noun. Such a plant. ¹

¹ Source:

Definition of Laser

1. a device that amplifies light waves [n -S]

Medical Definition of Laser

1. A medical instrument that produces a powerful beam of light and can produce intense heat when focused at close range. Lasers are often used in surgery to vaporize damaged cell tissue. (16 Dec 1997)

Lexicographical Neighbors of Laser

laser (current term)
laser-doppler flowmetry
laser-guided bomb
laser-plasma accelerator
laser angioplasty
laser beam
laser beams
laser coagulation
laser cooling
laser diode
laser diodes
laser disc
laser eye surgery

Literary usage of Laser

Below you will find example usage of this term as found in modern and/or classical literature:

1. Science by American Association for the Advancement of Science (1883)
"While ruby laser energy at 6943 A has been reported to affect per- oxidase activity (5) few other enzymes have responded. Even with the doubled ruby laser ..."

2. Technical Digest edited by G. W. Day, D. L. Franzen, P. A. Williams (1999)
"Fiber Dispersion Measurements using a Supercontinuum Fiber laser F. Koch, ... Recently, we have demonstrated a supercontinuum fiber laser based on a ..."

3. Operative Gynecologic Laparoscopy: Principles and Techniques by Camran Nezhat (2000)
"The Nd:YAG laser can be modified with sapphire tips to effect coagulation or ... Fiberoptics Besides providing a delivery system for the laser beam, ..."

4. The Military Dictionary (1987)
"JCS Pub 1-02 laser guidance unit—(DOD, NATO) A device which incorporates a laser seeker to provide guidance commands to the control system of a missile, ..."

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