seismograph

noun

seis·​mo·​graph ˈsīz-mə-ˌgraf How to pronounce seismograph (audio)
ˈsīs-
: an apparatus to measure and record vibrations within the earth and of the ground
seismographer noun
seismographic adjective
seismography noun

Examples of seismograph in a Sentence

Recent Examples on the Web Looking for long-period waves Scientists monitor seismic activity that shows up in jagged waves on seismographs. Laura Baisas, Popular Science, 22 Feb. 2024 Over the past 40 years, the university's seismograph stations detected sequences featuring earthquakes of magnitude 1.5 of greater. Julia Musto, Fox News, 27 July 2023 The trailer opens with ominous signs of seismograph activity picking up as desert sands start to shift and a giant ape hand bursts out from below. Jennifer Ouellette, Ars Technica, 4 Dec. 2023 Since the Great Kantō quake a century ago, Japan has collected vast sums of data and maintains a dense seismograph network with early warning systems. Cameron Pugh, The Christian Science Monitor, 5 Oct. 2023 The earthquake hit 4 kilometers, or about two and a half miles, northeast of Mole Lake. Earthquakes with a magnitude of about 2.5 or less are usually not felt, but can be recorded by a seismograph. Journal Sentinel, 7 Jan. 2024 The museum, meanwhile, houses hundreds of artifacts marking the moment of destruction, such as mangled office equipment melted in the fires, as well as photographs and artwork documenting the event, including the seismograph at top. IEEE Spectrum, 1 Sep. 2023 Soon the electromagnetic seismograph made Palmieri famous among global elites. Alessio Perrone, Scientific American, 16 Aug. 2023 The roar from the crowd actually registered on the seismograph in the school’s geology department, an earthshaking confirmation that college football was really and truly back. Erick Smith, USA TODAY, 29 Aug. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seismograph.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1858, in the meaning defined above

Time Traveler
The first known use of seismograph was in 1858

Dictionary Entries Near seismograph

Cite this Entry

“Seismograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seismograph. Accessed 21 Jun. 2024.

Kids Definition

seismograph

noun
seis·​mo·​graph ˈsīz-mə-ˌgraf How to pronounce seismograph (audio)
ˈsīs-
: a device to measure and record vibrations of the earth
seismographic adjective
seismography noun

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