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accelerograph

[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.
Origin of accelerograph
1905-1910
1905-10; acceler(ation) + -o- + -graph
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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