intumescence

/ɪntuːˈmɛsəns/
noun
  1. The process of swelling or becoming enlarged.
    • Scientists observed the intumescence of the material under high temperatures.
    • The intumescence of the plant stem was caused by excess water.
    • The intumescence of the fireproof coating protects the steel underneath.
  2. A swollen or enlarged part or area.
    • The doctor noted an intumescence on the patient's arm.
    • An intumescence appeared on the tree trunk after the storm.
    • The insect bite caused a small intumescence on her skin.
Antonyms
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