diastolic

/daɪəˈstɒlɪk/

//daɪəˈstɒlɪk// adj

"diastolic" is a 9-letter English headword indexed on PlainSpell.

The verdict

“diastolic” is uncommon English (frequency #56,065 among 26,416 “D” headwords), classed as an adjective. The kind of spelling people second-guess.

#56,065
frequency rank, English
26,416
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Pertaining to a diastole.

Key facts for diastolic
PropertyValue
Headworddiastolic
LanguageEnglish
Part of speechAdjective
IPA/daɪəˈstɒlɪk/
Letters9
Frequency rank#56,065
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “diastolic” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). diastolic lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

diastolic is uncommon English at frequency #56,065 among 26,416 “D” headwords, classed as anadjective, transcribed /daɪəˈstɒlɪk/. Rarity is why readers land here mid-draft. Gloss: "Pertaining to a diastole.".

Our edit-distance generator produced no likely misspellings for diastolic, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From diastole + -ic. The correct English form is diastolic, spelled D-I-A-S-T-O-L-I-C.

Definition

  1. 1
    Pertaining to a diastole.

Etymology

From diastole + -ic.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "diastolic"?
"diastolic" is spelled D-I-A-S-T-O-L-I-C. The IPA pronunciation is /daɪəˈstɒlɪk/.
What does "diastolic" mean?
As an adjective, "diastolic" means: Pertaining to a diastole.
How do you pronounce "diastolic"?
The IPA (International Phonetic Alphabet) transcription for "diastolic" is /daɪəˈstɒlɪk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "diastolic"?
From diastole + -ic. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “diastolic”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is D-I-A-S-T-O-L-I-C - every other letter order is a misspelling in standard orthography.
  • Say it as /daɪəˈstɒlɪk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list