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
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.
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 The event in Greenland's Dickson Fjord registered on sensitive seismographs from the Arctic to Antarctica for nine days following a massive landslide that sent more than 32 million cubic yards of rock and ice crashing into the fjord and triggering a tsunami with a wave height that reached 650 feet. Stephen J. Beard, USA TODAY, 25 Sep. 2024 Motion transfer was also minimal, and our seismograph detected only slight movement during our steel ball drop test. Ashley Zlatopolsky, Architectural Digest, 20 Sep. 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

Dictionary Entries Near seismograph

Cite this Entry

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

More from Merriam-Webster on seismograph

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!