ac·​cel·​ero·​gram | \ ik-ˈse-lə-rə-ˌgram How to pronounce accelerogram (audio) , ak-\
plural accelerograms

Definition of accelerogram

: a record of an earthquake generated by an accelerograph At present, existing accelerograms are being studied by several groups in an effort to extract as much information as possible concerning source mechanisms and wave propagation close to faults.— David M. Boore, Geotimes, January 1975

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First Known Use of accelerogram

1931, in the meaning defined above

History and Etymology for accelerogram

accelero- (as in accelerograph) + -gram

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The first known use of accelerogram was in 1931

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