Definition of noninvasive
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
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Merriam-Webster unabridged
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Time Traveler for noninvasive
The first known use of noninvasive was in 1968
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