ALL meanings of laser
la·ser
L l - noun laser a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. 1
- noun laser A device that generates an intense beam of coherent monochromatic light (or other electromagnetic radiation) by stimulated emission of photons from excited atoms or molecules. Lasers are used in drilling and cutting, alignment and guidance, and in surgery; the optical properties are exploited in holography, reading bar codes, and in recording and playing compact discs. 1
- noun laser light-producing device 1
- noun laser beam: of a laser 1
- noun laser treatment: using lasers 1
- noun Definition of laser in Technology (hardware) (Light Amplification by Stimulated Emission of Radiation) The type of light source used in a laser printer. 1
- countable noun laser A laser is a narrow beam of concentrated light produced by a special machine. It is used for cutting very hard materials, and in many technical fields such as surgery and telecommunications. 0
- countable noun laser A laser is a machine that produces a laser beam. 0
- noun laser a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium. The photons involved in the emission process all have the same energy and phase so that the laser beam is monochromatic and coherent, allowing it to be brought to a fine focus 0
- noun laser any similar source producing a beam of any electromagnetic radiation, such as infrared or microwave radiation 0
- verb laser to use a laser on (something), esp as part of medical treatment 0
- verb laser to remove (a tattoo, fat, etc) with laser treatment 0
- noun laser a type of dinghy, designed to be sailed by one person 0
- noun laser a device containing a substance the majority of whose atoms or molecules can be put into an excited energy state, allowing the substance to emit coherent light of a precise wavelength in an intense, narrow beam 0
- noun laser A laser is a device for producing a beam of light that can measure things or heat things at very high temperatures. 0
- noun laser A device that produces a monochromatic, coherent beam of light. 0
- noun laser A beam of light produced by such a device; a laser beam. 0
- noun laser A gum resin obtained from certain umbelliferous plants. 0
- noun laser Such a plant. 0
- verb laser To cut with a laser. 0
- verb laser (sports) To throw with laser-like precision. 0