Meaning of tympan


Pronunciation: (tim'pun), [key]
— n.
  1. a padlike device interposed between the platen or its equivalent and the sheet to be printed, in order to soften and equalize the pressure.
  2. tympanum (defs. 2, 4).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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