seismograph

noun

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

Examples of seismograph in a Sentence

Recent Examples on the Web
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Researchers around the world spotted an unusual oscillating sine wave sketched across seismographs. Darren Orf, Smithsonian Magazine, 18 Mar. 2025 Process of elimination One of the big constraints comes from NASA's InSight lander, which brought the first seismograph to Mars. Ars Technica, 28 Feb. 2025 When an earthquake hits, seismographs send information about its size, location and depth to a network of government computers. Paul Rogers, The Mercury News, 8 Dec. 2024 Motion isolation: Testers set up a seismograph, or an instrument that measures movement, on the bed and drop a steel ball from different heights. Ashley Zlatopolsky, Architectural Digest, 17 Oct. 2024 See All Example Sentences for seismograph

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

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Cite this Entry

“Seismograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seismograph. Accessed 22 Mar. 2025.

Kids Definition

seismograph

noun
: a device to measure and record vibrations of the earth

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