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

Examples of seismograph in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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

Rhymes for seismograph

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seismograph
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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.

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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
ˌsīz-mə-ˈgraf-ik How to pronounce seismograph (audio)
ˌsīs-
adjective
seismography
sīz-ˈmäg-rə-fē How to pronounce seismograph (audio)
sīs-
noun

More from Merriam-Webster on seismograph

Britannica.com: Encyclopedia article about seismograph

Last Updated: - Updated example sentences
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