[ ih-lek-truh-graf, -grahf ]
/ ɪˈlɛk trəˌgræf, -ˌgrɑf /


a curve or plot automatically traced by the action of an electric device, as an electrometer or an electrically controlled pen.
Printing. an apparatus for engraving metal plates on cylinders used in printing.
  1. an apparatus for electrically transmitting pictures.
  2. a picture produced by such a device.

Origin of electrograph

First recorded in 1830–40; electro- + -graph

Related forms

e·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. 2019

Examples from the Web for electrograph

  • They were answering calls for electrograph and viewplate records on all sorts of subjects from all sections of the city.

    Armageddon--2419 A.D.|Philip Francis Nowlan

British Dictionary definitions for electrograph


/ (ɪˈlɛktrəʊˌɡrɑːf, -ˌɡræf) /


an apparatus for engraving metal printing cylinders, esp in gravure printing
the equipment used for the electrical transmission of pictures
  1. a recording electrometer
  2. a graph produced by this instrument
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

Derived Forms

electrographic (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