intumescence

Definitions of intumescence
1

n swelling up with blood or other fluids (as with congestion)

Synonyms:
intumescency
Types:
haematoma, hematoma
a localized swelling filled with blood
Type of:
lump, puffiness, swelling
an abnormal protuberance or localized enlargement

n the increase in volume of certain substances when they are heated (often accompanied by release of water)

Synonyms:
intumescency, swelling
Type of:
chemical action, chemical change, chemical process
(chemistry) any process determined by the atomic and molecular composition and structure of the substances involved

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