Meaning of dilation in English:

dilation

Pronunciation /dɪˈleɪʃ(ə)n/ /dʌɪˈleɪʃ(ə)n/

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noun

mass noun
  • 1Physiology
    The action or condition of becoming or being made wider, larger, or more open.

    ‘nitric oxide causes dilation of the blood vessels’
    • ‘dilation of the pupils of the eye’
    • ‘Expansion of the brachial pathway indicates dilation is occurring in the coronary arteries that supply the heart.’
    • ‘A relaxation of cervical smooth muscle facilitates dilation.’
    • ‘If dilation is not performed carefully the results may be disastrous.’
    • ‘Manual dilation often requires general anesthetic and admission to the hospital.’
    • ‘Many mothers get an urge to push at this time even though complete dilation may not have taken place.’
    • ‘Surgical dilation or release of the internal sphincter has been the traditional treatment of chronic or severe fissures.’
    • ‘He was discharged and scheduled for repeat dilation and possible stent placement in 3 weeks.’
    • ‘Nitric oxide is a free radical that promotes infection resistance and blood vessel dilation.’
    • ‘If obstruction is confirmed, balloon dilation or surgery are necessary’
    • ‘She therefore underwent dilation and curettage to remove fragmented placental tissue.’
  • 2dilation onThe action of speaking or writing at length on (a subject)

    ‘the main editorial involved no dilation on the privileges or responsibilities of citizenship’
    • ‘dilations on Alpha Male psychology aren't overdone’
    • ‘The channel aired clips of his endless dilation, in which he prefaced his questions with two or three minutes of dependent clauses before getting lost.’
    • ‘The editorial involved no dilation on the privileges or responsibilities of citizenship or the significance and greatness of our history.’
    • ‘When dilations on the nature of truth appear, the book begins to feel like a solid magazine piece stretched thin.’
    • ‘Bantock's setting of his wife's dilations on Sappho was supremely seductive to the Edwardian England of its day.’
    • ‘Her dilation on these opinions seemed to carry us to about 8.30 without any awareness of the passage of time.’