intumescent
/ɪntuˈmɛsənt/adjective, noun
intumescent is spelled I-N-T-U-M-E-S-C-E-N-T: 11 letters. It appears about once in every 51 million words in written English, the 222,788th most frequent word form (wordfreq, 2021 data). As an adjective, intumescent means “That becomes swollen, especially upon exposure to heat” (English Wiktionary, September 2026).
How many letters and syllables are in intumescent?
| Letters | 11: I-N-T-U-M-E-S-C-E-N-T |
|---|---|
| In writing | about once in every 51 million words; the 222,788th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is intumescent?
Intumescent appears about once in every 51 million words in written English, the 222,788th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce intumescent?
- UK /ɪntjʊˈmɛsənt/
- US /ɪntuˈmɛsənt/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with intumescent?
11 words on PlainSpell end in the same sounds as intumescent from its last stressed vowel (/ɛsənt/):
- crescent
- fluorescent
- depressant
- effervescent
- evanescent
- obsolescent
- florescent
- pearlescent
- coalescent
- tumescent
- arborescent
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of intumescent
- intumescents plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does intumescent mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
That becomes swollen, especially upon exposure to heat.
noun
- 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.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does intumescent come from?
From Latin intumēscēns, present participle of intumescō (“rise, swell”), from tumescō (“become inflated”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).