Definition of eructation in English:

eructation

noun

formal
  • A belch:

    ‘I heard what sounded like a half-stoppered eructation’
    [mass noun] ‘the only complaint that still tormented her was eructation’
    • ‘It is specifically very effective for diarrhea and digestive problems especially associated with an acid digestive system with acid eructations, diarrhea and abdominal pains.’
    • ‘The main symptoms described were diarrhea alternating with constipation (constipation predominant), abdominal bloating, pain (particularly post-prandial), non-acid eructation, and fatigue.’
    • ‘This may be accompanied by sourish and burning eructations, bowel discharges that contain sour and fermented material.’
    • ‘It is certainly not the result of eructation from ruminants.’
    • ‘Normally, this gas is expelled by the animal through eructation or belching.’

Origin

Late Middle English: from Latin eructatio(n-), from the verb eructare, from e- (variant of ex-) out + ructare belch.

Pronunciation:

eructation

/ˌiːrʌkˈteɪʃ(ə)n/