pyrogen
noun
pyrogen is spelled P-Y-R-O-G-E-N: 7 letters. It appears about once in every 68 million words in written English, the 258,950th most frequent word form (wordfreq, 2021 data). As a noun, pyrogen means “Any substance that produces fever, or a rise in body temperature” (English Wiktionary, September 2026). The plural of pyrogen is pyrogens.
How many letters and syllables are in pyrogen?
| Letters | 7: P-Y-R-O-G-E-N |
|---|---|
| In writing | about once in every 68 million words; the 258,950th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
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 pyrogen?
Pyrogen appears about once in every 68 million words in written English, the 258,950th 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).
What rhymes with pyrogen?
No other word on PlainSpell ends in the same sounds as pyrogen.
Spelled with the same letters in another order: progeny.
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 pyrogen
- pyrogens plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does pyrogen mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any substance that produces fever, or a rise in body temperature
- 2
Any substance characterized by great flammability, typically used to coat electric matches.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Pyrogen in Spanish, French, German and Portuguese
In the sense substance that produces fever:
| Language | Words |
|---|---|
| Spanish | pirógeno |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does pyrogen come from?
From pyro- + -gen.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).