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accelerograph

American  
[ak-sel-er-uh-graf, -grahf] / ækˈsɛl ər əˌgræf, -ˌgrɑf /

noun

  1. an accelerometer containing a pendulum device for measuring and recording ground motions produced by earthquakes.

Etymology

Origin of accelerograph

First recorded in 1905–10; acceler(ation) + -o- + -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.