noun ac·cel·ero·graph \-rəˌgraf\

Definition of accelerograph



  1. 1 :  an apparatus for measuring and recording the pressure developed by combustion of an explosive in a closed space

  2. 2 :  an instrument for recording the acceleration in velocity of earthquake vibrations

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Origin and Etymology of accelerograph

borrowed from French accélérographe, from accéléro- (as in accéléromètre accelerometer + -graphe -graph

First Known Use: 1875

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feeling or affected by lethargy

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