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1. Oxford American Dictionary

   laser

   • IPA[ˈlāzər]

   美式

   • n.
     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.
   • v.
     treat or remove (something) using a laser, especially as part of surgery

   • verb: laser, 3rd person present: lasers, gerund or present participle: lasering, past tense: lasered, past participle: lasered

   • noun: laser, plural noun: lasers

2. • 釋義

   n.

   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 bar codes, and in recording and playing compact discs.

   v.

   動詞

   • 1. 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