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.)

  1. a swelling up, as with congestion.

    Category: Pathology

  2. a swollen mass.

    Category: Pathology

Origin of intumescence:

1650–60; < F



  1. intumescent(Adjective)

    That becomes swollen, especially upon exposure to heat

  2. Origin: From intumescens, present participle of intumesco, from tumesco.

Webster Dictionary

  1. Intumescent(adj)

    swelling up; expanding


  1. Intumescent

    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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