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Important notice

Good news! We have updated our writing tools. Writing Tips and The Canadian Style have been combined to create a new tool called Writing Tips Plus.

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Search Canada.ca
To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

lase, laser

Laser began as an acronym for “light amplification by stimulated emission of radiation.” As its applications have increased in number, laser has become a standard word.

Laser can be used as a noun or as an adjective.

  • Lasers are used extensively in optical surgery.
  • Our four-year-old laser printer is beginning to make strange noises.
  • Laser disc players have made high-quality home video a reality.

The verb lase has come into use more recently.

  • Your doctor can lase unsightly moles, warts and tattoos.