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
Recent Examples on the Web
Because of the quick succession of Wednesday’s quakes, Hubbard said confirming there were two earthquakes could be difficult with the preliminary data — and there are other possible explanations for what scientists see on seismographs currently.
—
Kasha Patel,
CNN Money,
25 June 2026
By the 1980s, however, scientists had developed seismographs, satellites, and tamper-proof cameras.
—
Billy Perrigo,
Time,
23 June 2026
The eruption was recorded on seismographs for more than 16 minutes, Indonesia’s Geological Agency said.
—
ABC News,
8 May 2026
For the former, there are plans to install seismographs to help understand the phenomenon.
—
Jorge Garay,
Wired News,
9 Apr. 2026
See All Example Sentences for seismograph
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Kasha Patel,
CNN Money,
25 June 2026
By the 1980s, however, scientists had developed seismographs, satellites, and tamper-proof cameras.
—
Billy Perrigo,
Time,
23 June 2026
The eruption was recorded on seismographs for more than 16 minutes, Indonesia’s Geological Agency said.
—
ABC News,
8 May 2026
For the former, there are plans to install seismographs to help understand the phenomenon.
—
Jorge Garay,
Wired News,
9 Apr. 2026
See All Example Sentences for seismograph
Cite this Entry
“Seismograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seismograph. Accessed 4 Jul. 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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