noninvasive

[ non-in-vey-siv ]
/ ˌnɒn ɪnˈveɪ sɪv /
|

adjective Medicine/Medical.

not invading adjacent healthy cells, blood vessels, or tissues; localized: a noninvasive tumor.
not entering or penetrating the body or disturbing body tissue, especially in a diagnostic procedure.

Origin of noninvasive

First recorded in 1970–75; non- + invasive
Related formsnon·in·va·sive·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for noninvasive

noninvasive

/ (ˌnɒnɪnˈveɪsɪv) /

adjective

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for noninvasive

noninvasive

[ nŏn′ĭn-vāsĭv ]

adj.

Not penetrating the body, as by incision. Used especially of a diagnostic procedure.
Not invading healthy tissue.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.