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laser
- IPA[ˈleɪzə]
英式
- 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 barcodes, and in recording and playing compact discs.
- treat or remove (something) using a laser, especially as part of a surgical procedure
verb: laser, 3rd person present: lasers, gerund or present participle: lasering, past tense: lasered, past participle: lasered
noun: laser, plural noun: lasers
- 釋義
- 相關詞
名詞
- 1. 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 barcodes, and in recording and playing compact discs.
動詞
- 1. treat or remove (something) using a laser, especially as part of a surgical procedure she had her eyes lasered so she could ditch her glasses he has had tattoos lasered off his chest
- a handheld device incorporating a laser beam, used for reading a barcode or for determining the ...
Oxford Dictionary
- a handheld device incorporating a laser beam, used typically for reading a bar code or for ...
Oxford American Dictionary
- the use of lasers in surgery and other medical or cosmetic treatment: it is expected that one quarter of the unscreened patients will need laser therapy
Oxford American Dictionary
- a narrow, intense beam of light produced by a laser: the laser beam was only about as wide as a human hair
Oxford American Dictionary
- a spectacle of colored laser lights that move and change: there will also be a laser show along with the fireworks
Oxford American Dictionary
- the use of lasers in cosmetic or medical care: reduced vision can usually be corrected by laser treatment
Oxford American Dictionary
- the use of lasers in surgery and other medical or cosmetic treatment: patients receiving laser therapy had significantly lower symptom scores
Oxford Dictionary
- a game in which players use toy guns to shoot infrared beams at each other while wearing ... Kevin and Michael spent an enjoyable afternoon at Laser World playing laser tag
Oxford Dictionary
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- IPA[ˈlāzər]
美式
- a device that generates an intense beam of coherent monochromatic light (or other ...
- treat or remove (something) using a laser, especially as part of surgery: he has had tattoos lasered off his chest I've got to get my eyes lasered again
Oxford American Dictionary