[ vahy-bruh-graf, -grahf ]
/ ˈvaɪ brəˌgræf, -ˌgrɑf /
a device for recording mechanical vibrations.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for vibrograph
The instrument differs considerably in structure and purpose from the Vibrograph and Phonautograph which preceded it.