seis·​mom·​e·​ter | \sīz-ˈmä-mə-tər, sīs-\

Definition of seismometer 

: a seismograph measuring the actual movements of the ground (as on the earth or the moon)

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Other Words from seismometer

seismometric \ˌsīz-​mə-​ˈme-​trik, ˌsīs-​ \ adjective

Examples of seismometer in a Sentence

Recent Examples on the Web

The seismometer will listen for the quakes, while the nail will drill almost 16 feet underneath the crust to measure Mars’ internal temperature. Loren Grush, The Verge, "NASA’s InSight successfully lands on Mars after ‘seven minutes of terror’," 26 Nov. 2018 While Mars 2020 is obviously still in the future, Mars fans can look forward to next week's landing of InSight, which will include a seismometer to track marsquakes. John Timmer, Ars Technica, "NASA picks a landing spot on Mars for its 2020 rover," 19 Nov. 2018 After killing approximately 150,000 people, the government invested in buoys, thousands of kilometers of undersea cable, undersea seismometers and pressure sensors in hopes of shaving valuable minutes off the response time. David Grossman, Popular Mechanics, "Indonesia's Tsunami Warning System Hasn't Been Operational Since 2012," 1 Oct. 2018 In any case, there will be no ability to fix a significant problem with the seismometer—or the burrowing probe, for that matter—once InSight is on Mars. Eric Berger, Ars Technica, "NASA makes flying to Mars look easy, but cross your fingers for InSight anyway," 4 May 2018 This will allow InSight to measure heat flow which, in addition to analyzing the frequency and propagation patterns of Marsquakes that the seismometers detect, will provide a sort of x-ray of the Martian interior. Jeffrey Kluger, Time, "NASA's InSight Lander Is About to Give Mars its First Health Checkup in 4.5 Billion Years," 4 May 2018 There are enough seismometers around these days to detect and locate nearly all earthquakes on land, except the most minuscule ones. Scott K. Johnson, Ars Technica, "Seafloor fiber optic cables can work like seismometers," 15 June 2018 The moon still holds seismometers left behind by the 12 moonmen. Washington Post, "NASA sending robotic geologist to Mars to dig super deep," 2 May 2018 The moon still holds seismometers left behind by the 12 moonmen. Marcia Dunn, The Christian Science Monitor, "InSight spacecraft has a deep mission in Martian soil," 2 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seismometer.' 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 seismometer

1841, in the meaning defined above

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Last Updated

11 Dec 2018

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Time Traveler for seismometer

The first known use of seismometer was in 1841

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Rhyming Dictionary: Words that rhyme with seismometer Encyclopedia article about seismometer

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a knickknack or trinket

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