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Meaning of optical printer

op'tical print'er

Pronunciation: [key]
  1. a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.