Also found in: Encyclopedia, Wikipedia.
(Electrical Engineering) a device for blind people that converts printed words into sounds
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a device combining a selenium cell and telephone apparatus that converts light energy into sound energy, used to enable blind people to sense light through the hearing and thus read printed matter.See also: Blindness
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.