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sonograph

American  
[son-uh-graf, -grahf] / ˈsɒn əˌgræf, -ˌgrɑf /

noun

Physics.

  1. an instrument that produces a graphic representation of sound.

Etymology

Origin of sonograph

First recorded in 1955–60; sono- + -graph

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.