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.
Between the first 10 hours and three days after birth, the team observed how the newborns’ brains reacted to German, Hebrew and French by using functional near-infrared spectroscopy (fNIRS), a noninvasive imaging technique that measures changes in blood oxygenation in the brain. Meghie Rodrigues, Scientific American, 7 Oct. 2025 This system sets a new standard for noninvasive BCI performance. Mrigakshi Dixit, Interesting Engineering, 1 Sep. 2025 They could also be woven into smart textiles for noninvasive biomedical sensing or temperature monitoring. ArsTechnica, 31 Aug. 2025 Bite wounds now serve as biological signposts, providing a noninvasive window into the hidden world of shark reproduction. Melissa Cristina Márquez, Forbes.com, 27 Aug. 2025 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 16 Oct. 2025.

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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