Meaning of intumescence

in•tu•mes•cence

Pronunciation: (in"too-mes'uns, -tyoo-), [key]
— n.
  1. a swelling up, as with congestion.
  2. the state of being swollen.
  3. a swollen mass.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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