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n. - A large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it; The membrane in the ear that vibrates to sound; The main cavity of the ear.

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Usage examples (34)
  • The border of the tympanum is very charming; the children quite beautifully painted.
  • In the tympanum is a quatrefoil, the upper part of which projects so as to form a canopy.
  • On the other side of the tympanum is a small air-filled space called the tympanic cavity.
  • The pressure difference then causes a pressure on the tympanum which is uncomfortable and can even be painful.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.