plethysmograph
/plɛˈðɪz.məˌɡɹæf/noun
plethysmograph is spelled P-L-E-T-H-Y-S-M-O-G-R-A-P-H: 14 letters and 4 syllables. It appears about once in every 79 million words in written English, the 282,993rd most frequent word form (wordfreq, 2021 data). As a noun, plethysmograph means “An instrument for measuring changes in volume within an organ or whole body (usually via fluctuations in the amount of fluid it contains)” (English Wiktionary, September 2026). The plural of plethysmograph is plethysmographs.
How many letters and syllables are in plethysmograph?
| Letters | 14: P-L-E-T-H-Y-S-M-O-G-R-A-P-H |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 79 million words; the 282,993rd most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is plethysmograph?
Plethysmograph appears about once in every 79 million words in written English, the 282,993rd 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 plethysmograph?
- US /plɛˈðɪz.məˌɡɹæf/
- US /pləˈðɪz.məˌɡɹæf/
Plethysmograph has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of plethysmograph
- plethysmographs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does plethysmograph mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An instrument for measuring changes in volume within an organ or whole body (usually via fluctuations in the amount of fluid it contains).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does plethysmograph come from?
Late 19th century: from Ancient Greek πληθυσμός (plēthusmós, “enlargement”) + -graph.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).