transcription, транскрипция: [ val-ˈsal-və- ]
noun
Etymology: Antonio Maria Valsalva died 1723 Italian anatomist
Date: 1886
: a forceful attempt at expiration when the airway is closed at some point ; especially : a conscious attempt made while holding the nostrils closed and keeping the mouth shut (as for the purpose of adjusting middle ear pressure) — called also Valsalva