seismograph
noun
seis·mo·graph
ˈsīz-mə-ˌgraf 
ˈsīs-
: an apparatus to measure and record vibrations within the earth and of the ground
Examples of seismograph in a Sentence
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His team increased the number of seismographs from the 12 provided by Mexico's National Disaster Prevention Center to 22 to cover the entire perimeter of the volcano.
—
Arkansas Online, 11 Jan. 2026
That spark turned into a tradition that now sees 66,000 people jumping together at every home game, shaking Lane Stadium hard enough to rattle seismographs.
—Christina Daves, Southern Living, 22 Nov. 2025
Looking ahead, China plans to launch its Chang’e-7 lunar probe around 2026, carrying instruments such as a seismograph to study the moon’s internal structure.
—Christopher McFadden, Interesting Engineering, 5 Oct. 2025
Stock image of a seismograph machine needle drawing a red line on graph paper depicting seismic and earthquake activity.
—Anna Skinner, MSNBC Newsweek, 25 Aug. 2025
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Arkansas Online, 11 Jan. 2026
That spark turned into a tradition that now sees 66,000 people jumping together at every home game, shaking Lane Stadium hard enough to rattle seismographs.
—Christina Daves, Southern Living, 22 Nov. 2025
Looking ahead, China plans to launch its Chang’e-7 lunar probe around 2026, carrying instruments such as a seismograph to study the moon’s internal structure.
—Christopher McFadden, Interesting Engineering, 5 Oct. 2025
Stock image of a seismograph machine needle drawing a red line on graph paper depicting seismic and earthquake activity.
—Anna Skinner, MSNBC Newsweek, 25 Aug. 2025
See All Example Sentences for seismograph
Cite this Entry
“Seismograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seismograph. Accessed 2 Feb. 2026.
Copy CitationKids Definition
seismograph
noun
seis·mo·graph
ˈsīz-mə-ˌgraf
ˈsīs-
: a device to measure and record vibrations of the earth
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