transcription, транскрипция: [ leɪzə(r) ]
( lasers)
1.
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.
...new laser technology...
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2.
A laser is a machine that produces a laser beam.
...the first-ever laser, built in 1960.
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