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.

© Public Works and Government Services Canada, 2020
TERMIUM Plus^®, the Government of Canada's terminology and linguistic data bank
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