intumescent.
That becomes swollen, especially upon exposure to heat.
Meaning & usage
That becomes swollen, especially upon exposure to heat.
Where this word comes from
From Latin intumēscēns, present participle of intumescō (“rise, swell”), from tumescō (“become inflated”).
Any substance that swells on exposure to heat, thus increasing in volume and decreasing in density.
Intumescents are used in some fire protection systems.
Where this word comes from
From Latin intumēscēns, present participle of intumescō (“rise, swell”), from tumescō (“become inflated”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.