Meaning of noninvasive

non•in•va•sive

Pronunciation: (non"in-vā'siv), [key]
— adj. Med.
  1. not invading adjacent healthy cells, blood vessels, or tissues; localized: a noninvasive tumor.
  2. not entering or penetrating the body or disturbing body tissue, esp. in a diagnostic procedure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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