seis·​mom·​e·​ter | \ sīz-ˈmä-mə-tər How to pronounce seismometer (audio) , 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 How to pronounce seismometric (audio) , ˌsīs-​ \ adjective

Examples of seismometer in a Sentence

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Over the next two to three months, InSight will use a robotic arm to deploy its primary two instruments: a seismometer and a self-hammering nail. Loren Grush, The Verge, "NASA’s InSight successfully lands on Mars after ‘seven minutes of terror’," 26 Nov. 2018 This week, InSight also celebrated a milestone with a snapshot, taken after deploying a seismometer on Mars. Mary Beth Griggs, The Verge, "Mars orbiter sends a picture-perfect postcard back to Earth," 21 Dec. 2018 The seismometers, which are designed to measure surface movements less than the width of a hydrogen atom, will produce what are essentially sonograms of the planet’s insides. Paul Roberts, The Seattle Times, "Mars landing is a nail-biter for Redmond rocket engineers," 26 Nov. 2018 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

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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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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an act or instance of returning to life

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