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Definition of diastolic

diastolic

/ˌdaɪ.əˈstɑː.lɪk/
di · a · stol · ic
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diastolic Lexical Profile

diastolic Game Scores & Validity

• adjective

1

Relating to the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood, or to the blood pressure measured during this phase.

Example

"The nurse noted that the patient's diastolic blood pressure had returned to a healthy range."

Antonyms
View all antonyms for diastolic

Word Nuance & Usage

In blood pressure readings, 'diastolic' refers to the bottom (lower) number measuring pressure when the heart rests between beats, whereas 'systolic' refers to the top (higher) number measuring pressure when the heart contracts.

• Rhymes for diastolic

• Nearby Words

diary
diascia
diaspora
diastolic
diatribe
dibamid
dibang

Word Origin & Etymology

Formed in the 19th century from 'diastole' and the suffix '-ic', ultimately from Ancient Greek 'diastole' (expansion, dilation), from 'diastellein' (to draw apart).

Cite this Entry

Wordmom. (2026). Definition of Diastolic. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/diastolic
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