seis·​mo·​graph | \ ˈsīz-mə-ˌgraf How to pronounce seismograph (audio) , ˈsīs- \

Definition of seismograph

: an apparatus to measure and record vibrations within the earth and of the ground

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Other Words from seismograph

seismographer \ sīz-​ˈmä-​grə-​fər How to pronounce seismographer (audio) , sīs-​ \ noun
seismographic \ ˌsīz-​mə-​ˈgra-​fik How to pronounce seismographic (audio) , ˌsīs-​ \ adjective
seismography \ sīz-​ˈmä-​grə-​fē How to pronounce seismography (audio) , sīs-​ \ noun

Examples of seismograph in a Sentence

Recent Examples on the Web Those were replaced with three new seismographs on Jan. 16. Segann March,, "Burlington residents: Detonations at Amazon Air Hub construction site damaging homes," 4 Feb. 2020 The ensuing celebration by Seahawks fans registered on a nearby seismograph. Wayne Sterling And Allen Kim, CNN, "Beast Mode is back. The Seahawks have re-signed Marshawn Lynch," 24 Dec. 2019 In principle, that power could help us to diagnose any early-stage disease, in the same way the subtle squiggles of a seismograph can give us early warnings of an earthquake. Christie Aschwanden, Wired, "Artificial Intelligence Makes Bad Medicine Even Worse," 10 Jan. 2020 So far this year, TexNet seismographs have recorded 209 earthquakes across the Lone Star State with the strongest documented as a 3.8-magnitude near Synder on Oct. 1. Houston Chronicle, "New study blames some Permian Basin earthquakes on fracking," 15 Oct. 2019 Devices such as an electroencephalogram (EEG) — a net of electrodes placed on the scalp — can detect these fluctuations and graph them as sinuous lines similar to those drawn by a seismograph. Quanta Magazine, "The Beasts That Keep the Beat," 22 Mar. 2016 Weiss added, noting that there are 80 observation stations and some 300 seismographs poised to pinpoint clandestine nuclear weapons tests anywhere around the world. John Fialka, Scientific American, "Mystery Solved: Warming Superpollutant Tracked to China," 23 May 2019 In a sense, Curiosity is the older sibling to InSight, the new rover that recently deployed a seismograph into the planet's surface. Cyrus Farivar, Ars Technica, "Without question, these are 2018’s best space books for kids," 29 Dec. 2018 This modern two-bedroom, two-bathroom residence was designed by Rob Paulus Architects for a local astronomer and completed back in 2010, hence the observatory, telescope, and seismograph that dot the five-acre property. Alex Bazeley, Curbed, "Sleek desert home with a window to the heavens asks $495K," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seismograph.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seismograph

1858, in the meaning defined above

History and Etymology for seismograph

International Scientific Vocabulary

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Time Traveler for seismograph

Time Traveler

The first known use of seismograph was in 1858

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Cite this Entry

“Seismograph.” Dictionary, Merriam-Webster, Accessed 21 Sep. 2020.

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More Definitions for seismograph


How to pronounce seismograph (audio)

English Language Learners Definition of seismograph

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


seis·​mo·​graph | \ ˈsīz-mə-ˌgraf How to pronounce seismograph (audio) , ˈsīs- \

Kids Definition of seismograph

: a device that measures and records vibrations of the earth

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