pantograph

  1. Noun.  A mechanical linkage based on parallelograms causing two objects to move in parallel; notably as a drawing aid.
  2. Noun.  A pattern printed on a document to reduce the ease of photocopying.
  3. Noun.  (rail transport) A similarly-formed conductive device, now usually Z-shaped, that collects electric current from overhead lines for trains and trams.

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This entry was last updated on RefTopia from its source on 3/20/2012.