Dictionary

seismograph

noun seis·mo·graph \-ˌgraf\

: a device that measures and records the movement of the earth during an earthquake

Full Definition of SEISMOGRAPH

:  an apparatus to measure and record vibrations within the earth and of the ground
seis·mog·ra·pher \sīz-ˈmä-grə-fər, sīs-\ noun
seis·mo·graph·ic \ˌsīz-mə-ˈgra-fik, ˌsīs-\ adjective
seis·mog·ra·phy \sīz-ˈmä-grə-fē, sīs-\ noun

Origin of SEISMOGRAPH

International Scientific Vocabulary
First Known Use: 1858

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