diastole
/daɪˈæstəli/noun
diastole is spelled D-I-A-S-T-O-L-E: 8 letters and 4 syllables. It appears about once in every 21 million words in written English, the 138,319th most frequent word form (wordfreq, 2021 data). As a noun, diastole means “The phase or process of relaxation and dilation of the heart chambers, between contractions, during which they fill with blood; an instance of the…” (English Wiktionary, September 2026). The plural of diastole is diastoles.
How many letters and syllables are in diastole?
| Letters | 8: D-I-A-S-T-O-L-E |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 21 million words; the 138,319th 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 and the CMU Pronouncing Dictionary; 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 diastole?
Diastole appears about once in every 21 million words in written English, the 138,319th 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 diastole?
- /daɪˈæstəli/
Diastole has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-diastole.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with diastole?
No other word on PlainSpell ends in the same sounds as diastole.
Spelled with the same letters in another order: isolated, sodalite.
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 diastole
- diastoles plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does diastole mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The phase or process of relaxation and dilation of the heart chambers, between contractions, during which they fill with blood; an instance of the process.
- 2
The lengthening of a vowel or syllable beyond its typical length.
- 3
The hypodiastole, a textual or punctuation mark formerly used to disambiguate homonyms in Greek.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Diastole in Spanish, French, German and Portuguese
In the sense relaxation of the heart:
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 diastole come from?
From Ancient Greek διαστολή (diastolḗ, “separation, drawing asunder”), from διά (diá, “apart”) + στέλλειν (stéllein, “send”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).