Definition of diastolic in English:

diastolic

adjective

Physiology
  • Relating to the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.

    ‘consistently high diastolic pressure could lead to organ damage’
    Often contrasted with systolic

Origin

Late 17th century: from diastole + -ic.

Pronunciation

diastolic

/dʌɪəˈstɒlɪk/