Meaning of invasive

in•va•sive

Pronunciation: (in-vā'siv), [key]
— adj.
  1. characterized by or involving invasion; offensive: invasive war.
  2. invading, or tending to invade; intrusive.
  3. requiring the entry of a needle, catheter, or other instrument into a part of the body, esp. in a diagnostic procedure, as a biopsy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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