scar tissue

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Also see: tissue

Concise Oxford English Dictionary © 2008 Oxford University Press:
scar/skɑː(r)/

▶noun

• 1 a mark left on the skin or within body tissue after the healing of a wound or burn.

  ■ a mark left at the point of separation of a leaf, frond, or other part from a plant.

• 2 a lasting effect left by an unpleasant experience.

• 3 a steep high cliff or rock outcrop.

▶verb (scars, scarring, scarred) mark or be marked with a scar or scars.

– derivatives
scarless adjective.

– origin ME: from OFr. escharre, via late L. from Gk eskhara ‘scab’; sense 3 is from ON sker ‘low reef’.