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

  • adj. Not penetrating the body, as by incision or injection: noninvasive surgery; a noninvasive diagnostic method.
  • adj. Not invading healthy tissue: noninvasive cancer of the bladder.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not invasive.
  • adj. Of a surgical or other medical procedure, not requiring an incision.

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

  • adj. relating to a technique that does not involve puncturing the skin or entering a body cavity


Sorry, no etymologies found.


  • Her publications include an essay in noninvasive mechanical ventilation, edited by John R. Bach, M.D., and contributions to the monthly newsletter at St. Cloud Regional Medical Center in Florida.

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  • It has to be noninvasive, meaning you're not going to get poked.

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  • The Marines are practicing a kind of noninvasive surgery -- providing structure and security, but cultivating community institutions that must continue to stand after America leaves.

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  • Perino's claims that such "noninvasive" methods aren't torture are of no more validity than similar claims made by Torquemada, Pol Pot and others through the centuries. wiley Says:

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  • A growth area, the number of home ventilator-dependent patients has risen in the 1980s and 1990s -- a result of increased survival rates of critically ill patients and technological advances, such as noninvasive ventilation, which can prolong and improve quality of life. 1

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  • "noninvasive" and was done at the command of a superior officer, Alfred's attorney told Yuba County jurors Wednesday. - News :

  • This technique is noninvasive, and requires no physical contact with the patient.

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  • Treating tinnitus: Tinnitus symptoms were significantly reduced for up to four years in patients treated with a noninvasive procedure that uses magnetic fields to stimulate neurons in the brain, according to a study in Brain Stimulation.

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  • Aesthetics is spa-speak for cosmetic treatments from botox to noninvasive face lifts, dermabrasion and lipolysis (a new, less invasive form of liposuction).

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  • PARIS — Scientists in Australia are reporting encouraging early results from a simple eye test they hope will give a noninvasive way to detect signs of Alzheimer's disease.

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