seismograph

noun

seis·​mo·​graph ˈsīz-mə-ˌgraf 

ˈsīs-

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

seismographer

sīz-ˈmä-grə-fər 

sīs-

noun

seismographic

ˌsīz-mə-ˈgra-fik 

ˌsīs-

adjective

seismography

sīz-ˈmä-grə-fē 

sīs-

noun

Examples of seismograph in a Sentence

Recent Examples on the Web

The eruption was recorded on seismographs for more than 16 minutes, Indonesia’s Geological Agency said. —ABC News, 8 May 2026

The first seismographs in the U.S. were installed in 1887 at the Lick Observatory on California’s Mount Hamilton and at the University of California at Berkeley. —Kurt Snibbe, Oc Register, 17 Apr. 2026

For the former, there are plans to install seismographs to help understand the phenomenon. —Jorge Garay, Wired News, 9 Apr. 2026

On Polymarket’s tab for Bitcoin, a line graph crawls along like a seismograph, showing the price to beat as the total cost fluctuates by hundreds of dollars a second. —Joe Wilkins Published Mar 18, Futurism, 18 Mar. 2026

Word History

Etymology

International Scientific Vocabulary

First Known Use

1858, in the meaning defined above

Rhymes for seismograph

• autograph
• biograph
• cenotaph
• chronograph
• epigraph
• epitaph
• hodograph
• holograph
• hydrograph
• lithograph
• micrograph
• monograph

Kids Definition

seismograph

noun

seis·​mo·​graph ˈsīz-mə-ˌgraf 

ˈsīs-

: a device to measure and record vibrations of the earth

seismographic

ˌsīz-mə-ˈgraf-ik 

ˌsīs-

adjective

seismography

sīz-ˈmäg-rə-fē 

sīs-

noun