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electrograph

[ih-lek-truh-graf, -grahf]
noun
  1. a curve or plot automatically traced by the action of an electric device, as an electrometer or an electrically controlled pen.
  2. Printing. an apparatus for engraving metal plates on cylinders used in printing.
  3. Telecommunications.
    1. an apparatus for electrically transmitting pictures.
    2. a picture produced by such a device.
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Origin of electrograph

First recorded in 1830–40; electro- + -graph
Related formse·lec·tro·graph·ic [ih-lek-truh-graf-ik] /ɪˌlɛk trəˈgræf ɪk/, adjectivee·lec·trog·ra·phy [ih-lek-trog-ruh-fee, ee-lek-] /ɪ lɛkˈtrɒg rə fi, ˌi lɛk-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for electrography

electrograph

noun
  1. an apparatus for engraving metal printing cylinders, esp in gravure printing
  2. the equipment used for the electrical transmission of pictures
    1. a recording electrometer
    2. a graph produced by this instrument
  3. a visual record of the surface composition of a metal, obtained by placing an electrolyte-soaked paper over the metal and passing a current through the paper to an electrode on the other side
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Derived Formselectrographic (ɪˌlɛktrəʊˈɡræfɪk), adjectiveelectrographically, adverbelectrography (ɪlɛkˈtrɒɡrəfɪ, ˌiːlɛk-), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012