intumescent

English

Etymology

From Latin intumēscēns, present participle of intumescō (“rise, swell”), from tumescō (“become inflated”).

Adjective

intumescent (comparative more intumescent, superlative most intumescent)

  1. That becomes swollen, especially upon exposure to heat

Noun

intumescent (plural intumescents)

  1. Any substance that swells on exposure to heat, thus increasing in volume and decreasing in density.
    Intumescents are used in some fire protection systems.

Latin

Verb

intumēscent

  1. third-person plural future active indicative of intumēscō
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