noninvasive

adjective

non·​in·​va·​sive ˌnän-in-ˈvā-siv How to pronounce noninvasive (audio)
-ziv
1
: not tending to spread
specifically : not tending to infiltrate and destroy healthy tissue
noninvasive cancer of the bladder
2
: not being or involving an invasive medical procedure
noninvasive imaging techniques
noninvasively adverb

Examples of noninvasive in a Sentence

noninvasive techniques of measuring brain activity
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yes, this was uncomfortable, but comparatively breezy as far as medical procedures go — simple, brief and noninvasive. Zachary Bernstein, Los Angeles Times, 17 Mar. 2026 The guidelines also call for wider use of coronary calcium scoring, which is a noninvasive scan that measures calcified plaque in the arteries. Allison Aubrey, NPR, 13 Mar. 2026 And while some have turned to noninvasive imaging methods such as magnetic resonance imaging (MRI) and transvaginal ultrasound very few doctors receive enough training in how to use ultrasound to diagnose endometriosis. Tanya Lewis, Scientific American, 12 Mar. 2026 The latter is a medical technology company developing noninvasive monitoring strategies. Ashley MacKin Solomon, San Diego Union-Tribune, 11 Mar. 2026 See All Example Sentences for noninvasive

Word History

First Known Use

1968, in the meaning defined at sense 1

Time Traveler
The first known use of noninvasive was in 1968

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Cite this Entry

“Noninvasive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noninvasive. Accessed 24 Mar. 2026.

Medical Definition

noninvasive

adjective
non·​in·​va·​sive ˌnän-in-ˈvā-siv, -ziv How to pronounce noninvasive (audio)
1
: not tending to spread
specifically : not tending to infiltrate and destroy healthy tissue
noninvasive cancer of the bladder
2
: not being or involving an invasive medical procedure
noninvasive imaging techniques that do not require the injection of dyes
noninvasively adverb
noninvasiveness noun
Last Updated: - Updated example sentences
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