vibrograph

[ vahy-bruh-graf, -grahf ]
/ ˈvaɪ brəˌgræf, -ˌgrɑf /
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noun

a device for recording mechanical vibrations.

Origin of vibrograph

First recorded in 1870–75; vibro- + -graph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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