laser

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Pronunciation[change]

  • (UK) IPA: /ˈleɪz.ə(ɹ)/
  • (US) IPA: /ˈleɪzɚ/

Noun[change]

Singular
laser

Plural
lasers

  1. (countable) A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
  2. The term laser originated as an acronym for "light amplification by stimulated emission of radiation".