tympano-

from The Collaborative International Dictionary of English v.0.48

Tympano \Tym"pa*no\, n.; pl. {Tympani}. [It. timpano. See
   {Tympanum}.] (Mus.)
   A kettledrum; -- chiefly used in the plural to denote the
   kettledrums of an orchestra. See {Kettledrum}. [Written also
   {timpano}.]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Tympano- \Tym"pa*no-\
   A combining form used in anatomy to indicate connection with,
   or relation to, the tympanum; as in tympanohyal,
   tympano-Eustachian.
   [1913 Webster]

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