non·in·va·sive adj \ˌnän-in-ˈvā-siv, -ziv\
: not tending to spread; specifically : not tending to infiltrate and destroy healthy tissue <noninvasive cancer of the bladder>
: not being or involving an invasive medical procedure <noninvasive imaging techniques that do not require the injection of dyes>
Seen & Heard
What made you want to look up noninvasive? Please tell us where you read or heard it (including the quote, if possible).