a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)
An instrument that automatically detects and records the intensity, direction and duration of earthquakes and similar events.
an apparatus for registering the shocks and undulatory motions of earthquakes
Origin: [Gr. an earthquake + -graph.]
Chambers 20th Century Dictionary
sīs′mō-graf, n. an instrument for registering the shocks and concussions of earthquakes, a seismometer.—adjs. Seis′mal; Seis′mic, belonging to an earthquake.—ns. Seis′mogram, the record made by a seismometer; Seismog′rapher.—adjs. Seismograph′ic, -al, connected with the seismograph.—n. Seismog′raphy, the study of earthquake phenomena.—adjs. Seismolog′ic, -al.—ns. Seismol′ogist, a student of earthquake phenomena; Seis′mologue, a catalogue of earthquake observations; Seismol′ogy, the science of earthquakes and volcanoes; Seismom′eter, an instrument for measuring shakings, tremors, and tiltings of the earth.—adjs. Seismom′etric, -al.—ns. Seismom′etry, the measuring the phenomena of earthquakes; Seis′moscope, a name of the simpler form of seismometer.—adj. Seismoscop′ic. [Gr. seismos, an earthquake, graphein, to write.]
The numerical value of seismograph in Chaldean Numerology is: 6
The numerical value of seismograph in Pythagorean Numerology is: 4
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"seismograph." Definitions.net. STANDS4 LLC, 2018. Web. 20 Mar. 2018. <https://www.definitions.net/definition/seismograph>.