noninvasive

American  

[non-in-vey-siv] / ˌnɒn ɪnˈveɪ sɪv /

adjective

Medicine/Medical.

1. not invading adjacent healthy cells, blood vessels, or tissues; localized.

   a noninvasive tumor.

2. not entering or penetrating the body or disturbing body tissue, especially in a diagnostic procedure.

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noninvasive British  

/ ˌnɒnɪnˈveɪsɪv /

adjective

1. (of medical treatment) not involving the making of a relatively large incision in the body or the insertion of instruments, etc, into the patient

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Other Word Forms

• noninvasively adverb

Etymology

Origin of noninvasive

First recorded in 1970–75; non- + invasive

Example Sentences

Yes, this was uncomfortable, but comparatively breezy as far as medical procedures go — simple, brief and noninvasive.

From Los Angeles Times • Mar. 17, 2026

Cardiologists favor this approach to stress testing to exclude coronary artery disease because it is relatively inexpensive, it is noninvasive and it yields a good deal of information about the structure of the heart.

From MarketWatch • Mar. 10, 2026

Brain activity was recorded using magnetoencephalography, or MEG -- a noninvasive method that captures electrical signals from the brain.

From Science Daily • Jan. 12, 2026

To address the hollowing under her eyes that she felt made her look perpetually exhausted, the Dallas pharmaceutical sales rep tried countless creams, as well as noninvasive treatments like Ultherapy, Thermage and PRP injections.

From The Wall Street Journal • Jan. 1, 2026

Cervical carcinomas are divided into two types: invasive carcinomas, which have penetrated the surface of the cervix, and noninvasive carcinomas, which haven’t.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot