laser

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laser

la·ser

 (lā′zər)
n.
1.
a. 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.
b. A beam of radiation emitted by a laser.
2. Sports A ball or puck sent in a straight line at high speed: shot a laser into the upper right corner of the goal.

[l(ight) a(mplification by) s(timulated) e(mission of) r(adiation).]

laser

(ˈleɪzə)
n
1. (General Physics) 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
2. (General Physics) any similar source producing a beam of any electromagnetic radiation, such as infrared or microwave radiation
vb (tr)
3. to use a laser on (something), esp as part of medical treatment
4. (often foll by off) to remove (a tattoo, fat, etc) with laser treatment
[C20: from light amplification by stimulated emission of radiation]

Laser

(ˈleɪzə)
n
trademark a type of dinghy, designed to be sailed by one person

la•ser

(ˈleɪ zər)

n.
a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms and causing them to radiate their energy in phase.
Compare maser.
[1955–60; l(ightwave) a(mplification by) s(timulated) e(mission of) r(adiation)]
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la·ser

(lā′zər)
A device that emits a very narrow and intense beam of light or other radiation. The light is generated by exciting the atoms of a medium, such as a crystal, gas, or liquid. The color of laser light depends on the level to which the atoms of the medium become excited. Lasers are used for many purposes, such as cutting hard substances and destroying diseased tissue.
Did You Know? A laser emits a thin, intense beam of light that can travel long distances without diffusing or spreading out very much. Almost any light beam consists of many waves traveling in roughly the same direction. In laser light, the waves are all precisely in step with each other. Such light is called coherent. Lasers produce coherent light through a process called stimulated emission. The laser contains a chamber in which atoms of a medium such as a synthetic ruby rod or a gas are excited to a high energy level. When a light wave of the correct frequency is sent through the chamber from an electronic flash tube, it makes the excited atoms emit light that is in step with the original wave. These waves then stimulate other atoms to emit more coherent light. The chamber has mirrors at both ends, so the light travels back and forth, repeatedly stimulating emission. One of the mirrors is partially transparent so that the laser beam can exit from that end.

laser

Any device that can produce or amplify optical radiation primarily by the process of controlled stimulated emission. A laser may emit electromagnetic radiation from the ultraviolet portion of the spectrum through the infrared portion. Also, an acronym for "light amplification by stimulated emission of radiation."
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.laser - an acronym for light amplification by stimulated emission of radiationlaser - an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light
optical device - a device for producing or controlling light
photocoagulator - surgical instrument containing a laser for use in photocoagulation
Translations
أشِعَّة ليزرلِيّزَرْ
laserlaserový
laserlaser-
laser
laser
lézer
leysigeislileysirleysir, leysigeisli
レーザー
레이저
lazerinis spausdintuvaslazeris
lāzera-lāzers
laser
laserlaserový
laser
laser
แสงเลเซอร์
la-delaser

laser

[ˈleɪzəʳ]
A. Nláser m
B. CPD laser beam Nrayo m láser
laser gun Npistola f de rayos láser
laser printer Nimpresora f láser
laser surgery Ncirujía f con láser

laser

[ˈleɪzər]
nlaser m
modif [technology] → laser inv; [surgery, treatment] → laser inv laser lightlaser beam nrayon m laserlaser disc laser disk ndisque m laserlaser disc player nplatine f laserlaser light nlumière f laserlaser printer nimprimante f laserlaser show nspectacle m laser

laser

nLaser m; (Comput: = printer) → Laserdrucker m

laser

in cpdsLaser-;
laser beam
nLaserstrahl m
laser disc
nLaserdisc f, → Laserdisk f
laser gun
nLaserkanone for -pistole f
laser medicine
nLasermedizin f
laser printer
nLaserdrucker m
laser show
nLasershow f
laser surgery
laser technology
nLasertechnik f
laser weapon
nLaserwaffe f

laser

[ˈleɪzəʳ] nlaser m inv

laser

(ˈleizə) noun
(an instrument that produces) a narrow and very intense beam of light. The men were cutting the sheets of metal with a laser; (also adjective) a laser beam.
ˈlaser printer noun

laser

لِيّزَرْ laser laser Laser λέιζερ láser laser laser laser laser レーザー 레이저 laser laser laser laser лазер laser แสงเลเซอร์ lazer laser 激光

la·ser

n. laser.
1. sigla del inglés “Light Amplification by Stimulated Emission of Radiation” (amplificación de la luz por estimulación de emisión de radiación);
2. bisturí microquirúrgico usado en la cauterización de tumores.

laser

n láser m
References in periodicals archive ?
Quanto a participacao em grupos de lazer, uma parcela significativa da amostra (49,1%; n= 143) alegou participar ativamente em algum tipo de grupo, sendo, em sua maioria, integrantes de grupos religiosos (18,9%), seguidos pela participacao em equipes esportivas (18,2%), grupos musicais (12,7%), danca e teatro (8,9%) e, em menor grau, grupos de trabalho voluntario (3,4%), grupos politicos (2,4%), gremios estudantis (2,1%) e grupos de escoteiros (0,7%).
Thikriwala police arrested Lazer Masih and Aslam Masih besides recovering 50 litres of liquor while City Jaranwala police recovered 66 litres of liquor from Afzal and Abdur Rehman.
Ao longo dos anos, os estudos de lazer foram articulados em diversas areas das ciencias humanas, especialmente a Sociologia e a Antropologia (ROJEK 2010).
Bieber and Danish singer MO feature on Cold Water, the new number one single by US electronic act Major Lazer, which has been co-written by Sheeran and Benny Blanco.
Kendrick Lamar, The National and Major Lazer are an impressive trio to headline - the latter in particular are fantastic live - the ultimate party band.
Defendants: LeMans Corp., Pirelli Tire LLC, AGV Lazer USA LLC, Susquehanna Valley Harley-Davidson
Os idosos residentes na zona urbana tem maiores possibilidades de acesso ao sistema de saude, as atividades de lazer e ao convivio social sendo alvo do maior numero de pesquisas, o que, por sua vez, contribui para melhorar sua qualidade de vida (QV).
If I lived in Brooklyn I wouldn't have needed to affirm that," said poet Hank Lazer early this year, smiling, as we sat in the cozy, colorful study at his home in Tuscaloosa, Alabama.
MO is known for featuring in Major Lazer and DJ Snake's single "Lean On", Snakehips single "Don't Leave", and Major Lazer's single "Cold Water".
"Regional Mexican is the perfect brand for the Central Valley," notes Gerardo Martinez, GM of Lazer Broadcasting 's properties in the northern San Joaquin Valley and in Reno, Nevada.
This feat was achieved by Ali Kiba in his 'Mwana' smash hit, as well as by Major Lazer feat Nasty C and Ice Prince in the monster hit 'Particular'.
Vittar found breakthrough success following the release of music video 'Open Bar', a Portuguese-language version of Major Lazer's 'Lean On'.