• (n.) A telephonic instrument for office or other similar use, having a sound-magnifying device enabling the ordinary mouthpiece to be dispensed with. Much use has been made of it for overhearing, or for recording, conversations for the purpose of obtaining evidence for use in litigation.
Found on
http://thinkexist.com/dictionary/meaning/dictograph/
Dic'to·graph noun [ Latin
dictum a thing said + English
-graph .] A telephonic instrument for office or other similar use, having a sound-magnifying device enabling the ordinary mouthpiece to be dispensed with. Much use has been made of it for overhearing, or for recording, conversations fo...
Found on
http://www.encyclo.co.uk/webster/D/61
a brand name for a telephonic device with a highly sensitive transmitter obviating the necessity of a mouthpiece: used for listening to conversations secretly or obtaining a record of them.
Found on
https://www.infoplease.com/dictionary/dictograph
No exact match found.
