| 释义 | 
		Definition of tympan in English: tympannoun ˈtɪmpənˈtɪmpən 1(in letterpress printing) a layer of packing, typically of paper, placed between the platen and the paper to be printed to equalize the pressure over the whole forme.  Example sentencesExamples -  One last point, however: when the card is removed the original image on the tympan sheet will be exposed.
 -  In this photo I am folding an edge of the tympan paper over to place over the bottom platen.
 -  Please use the chase dimension only when ordering tympan for your ‘platen’ press.
 -  Jacques Derrida, in the preface to Margins of Philosophy, identifies the printing press-specifically, the ‘tympan’ as the agent of division.
 -  The pressman pulled on the bar, causing the platen to press the tympan on the inked type and taking the impression.
 
 2Architecture 
  another term for tympanum  Example sentencesExamples -  Of interest is the western portal of the vestry with twisted columns and tympans, arranged in a ledge.
 
 
 Origin   Late 16th century (in sense 1): from French tympan or Latin tympanum (see tympanum). sense 2 dates from the early 18th century.    Definition of tympan in US English: tympannounˈtimpənˈtɪmpən 1(in letterpress printing) a layer of packing, typically of paper, placed between the platen and the paper to be printed to equalize the pressure over the whole forme.  Example sentencesExamples -  One last point, however: when the card is removed the original image on the tympan sheet will be exposed.
 -  In this photo I am folding an edge of the tympan paper over to place over the bottom platen.
 -  Jacques Derrida, in the preface to Margins of Philosophy, identifies the printing press-specifically, the ‘tympan’ as the agent of division.
 -  The pressman pulled on the bar, causing the platen to press the tympan on the inked type and taking the impression.
 -  Please use the chase dimension only when ordering tympan for your ‘platen’ press.
 
 2Architecture 
  another term for tympanum  Example sentencesExamples -  Of interest is the western portal of the vestry with twisted columns and tympans, arranged in a ledge.
 
 
 Origin   Late 16th century (in tympan (sense 1)): from French tympan or Latin tympanum (see tympanum). tympan (sense 2) dates from the early 18th century.     |