What does "seismograph" mean?

An instrument that automatically detects and records the intensity, direction and duration of earthquakes and similar events.

What is a synonym for "seismograph"?

Common synonyms include: instrument, oscilloscope, recording instrument.

Pronounced //ˈsaɪz.mə.ɡɹæf//.

//ˈsaɪz.mə.ɡɹæf// noun

noun ·Rare ·Advanced level

Noun

1
An instrument that automatically detects and records the intensity, direction and duration of earthquakes and similar events.
2
a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake) wordnet

From seismo- + -graph.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.