invasive
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in·va·sive

adjective \-siv, -ziv\

Definition of INVASIVE

1
: of, relating to, or characterized by military aggression
2
: tending to spread; especially : tending to invade healthy tissue <invasive cancer cells>
3
: tending to infringe
4
: involving entry into the living body (as by incision or by insertion of an instrument) <invasive diagnostic techniques>
in·va·sive·ness noun

First Known Use of INVASIVE

1598

in·va·sive

adjective \-siv, -ziv\   (Medical Dictionary)

Medical Definition of INVASIVE

1
: tending to spread; especially : tending to invade healthy tissue <invasive cancer cells>
2
: involving entry into the living body (as by incision or by insertion of an instrument) <invasive diagnostic techniques>
in·va·sive·ness noun

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