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laser

USLAY-zur/ˈleɪzɚ/UKLAY-zuh/ˈleɪz.ə(ɹ)/

Plurallasers

Verblasers, lasering, lasered

8 meanings of laser

Practice

  1. 1
    nouncountable or uncountable
    A machine that makes a thin, strong beam of light, all one color.

    Like a flashlight, but the light is squeezed into one thin, straight line.

    The doctor used a laser to fix her eyes.

    A powerful laser can cut straight through sheets of metal.

    Note
  2. 2
    nouncountable or uncountable
    A thin, bright line of light that comes from a laser.

    Like a very thin, very straight line drawn in the air with light.

    The red laser swept across the night sky during the show.

    She traced the wall with a green laser to mark the line.

    Similarbeam

  3. 3
    verbtransitive
    To cut, burn, or treat something using a laser.

    The surgeon will laser the tumor next week.

    They laser the metal sheets to cut out exact shapes.

    Note
  4. 4
    nouncountable or uncountable
    A printer that uses a laser to put words and pictures on paper.

    Send the document to the laser in the corner.

    Our old laser prints faster than the new inkjet.

    Similarprinter

    Note
  5. 5
    verbcolloquialtransitive
    To throw or kick something very fast and straight, exactly where you want it.

    Like sending the ball in a perfectly straight line, the way a beam of light shoots straight ahead.

    The quarterback can laser the ball across the whole field.

    She lasered a pass right to her teammate's feet.

    Similarfire, rifle, drill, zip, whip

    Note
  6. 6
    noununcountableabbreviationellipsis
    Short for laser hair removal. Use this when talking about removing body hair with a laser.

    She booked a laser appointment to remove unwanted hair.

    Many people get laser instead of shaving every single week.

    Note
  7. 7
    noununcountable
    A sticky gum taken from certain plants in the carrot family.

    Like the sticky sap that oozes from a tree, but gathered and used in cooking.

    The merchant sold laser by the ounce for cooking and medicine.

    Cooks added a pinch of laser to flavor the rich stew.

    Note
  8. 8
    nouncountable or uncountable
    A plant in the carrot family that gives the sticky gum called laser.

    Farmers once grew laser on the dry hillsides for its valuable gum.

    The laser grew wild across the coastal plains.

Practice

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Origins

Meanings 1–6

An acronym for "light amplification by stimulated emission of radiation." It was created by American physicist Gordon Gould in 1957.

Meanings 7–8

From the Latin word laser.