Definitions for intumescent
This page provides all possible meanings and translations of the word intumescent
Random House Webster's College Dictionary
in•tu•mes•cenceˌɪn tʊˈmɛs əns, -tyʊ-(n.)
a swelling up, as with congestion.
a swollen mass.
Origin of intumescence:
1650–60; < F
That becomes swollen, especially upon exposure to heat
Origin: From intumescens, present participle of intumesco, from tumesco.
swelling up; expanding
An intumescent is a substance that swells as a result of heat exposure, thus increasing in volume and decreasing in density. Intumescents are typically used in passive fire protection and, in the U.S., require listing and approval use and compliance in their installed configurations in order to comply with the law.
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