from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. Medicine To excise, amputate, or otherwise destroy the biological function of (a body tissue, for example).
  • transitive v. To remove by erosion, melting, evaporation, or vaporization.
  • intransitive v. To become ablated; undergo ablation.

from The Century Dictionary and Cyclopedia

  • To take away; remove.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. remove an organ or bodily structure
  • v. wear away through erosion or vaporization


from The American Heritage® Dictionary of the English Language, 4th Edition

Back-formation from ablation.


  • The base of Orion's heat shield will endure the most heat and will erode away or "ablate" in a controlled fashion - transporting heat away during the descent through the atmosphere.

    Signs of the Times

  • Orion's heat shield, the dish-shaped thermal protection system at the base of the spacecraft, will endure the most heat and will erode, or "ablate," in a controlled fashion, transporting heat away from the crew module during its descent through the atmosphere. - latest science and technology news stories

  • Dr. Boothe the excimer laser uses a cool ultraviolet light beam to precisely remove ( "ablate") very tiny bits of tissue from the cornea to reshape it. Recent Updates

  • So very tired, yet we tried ... to ablate the tide.

    Ghazal Of The Calcium Channel Blockade

  • Medtronic has said that its Cardioblate devices received FDA approval to "ablate cardiac tissue" and "ablate soft tissue" during "general surgery" or "cardiac surgery."

    Surgical-Device Firms Walk Fine Line

  • Then they insert devices that use intense cold or heat generated by radio waves to cauterize, or ablate, tissue thought to be responsible for the electrical impulses causing the erratic heartbeat.

    Atrial fibrillation is easy to find, but evidence on how best to treat it isn't

  • Having a great partner to ablate stress daily, and to depend on for her incredible expertise and common sense honed carefully in this area, is clearly a magnificent way to help life be better—thank you, Nancy.

    You Raising Your Child

  • Hydra are wonderful experimental animals in that one can ablate stem cells for a particular tissue type, and still get an animal that develops and lives; do the same thing to a vertebrate, for instance knocking out the mesodermal lineage in the embryo, and you get an aborted blob.

    No metazoan is an island - The Panda's Thumb

  • But as a frustrated neuroscientist, I have long enjoyed this question: If we could surgically or chemically ablate toxic memory, should we?

    Lionel: We Are Our Memories

  • LALA: That's completely different, because there are studies that show that Diprivan may help ablate migraine headaches.

    CNN Transcript Jul 10, 2009


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