[sahyz-mog-ruh-fee, sahys-] 
| 1. | the scientific measuring and recording of the shock and vibrations of earthquakes. |
| 2. | seismology. |
[sahyz-mol-uh-jee, sahys-] | the science or study of earthquakes and their phenomena. |
[sahyz-muh-loj-ik, sahys-] , seis⋅mo⋅log⋅i⋅cal, adjective | seis·mo·graph (sīz'mə-grāf') n. An instrument for automatically detecting and recording the intensity, direction, and duration of a movement of the ground, especially of an earthquake. seis·mog'ra·pher (sīz-mŏg'rə-fər) n., seis'mo·graph'ic (-grāf'ĭk), seis'mo·graph'i·cal (-ĭ-kəl) adj., seis·mog'ra·phy n. |
The branch of science devoted to the study of seismic waves and the information they provide about the structure of the interior of the Earth.
Note: Our knowledge of the properties of the crust, the mantle, and the core comes from this field.
| seismology (sīz-mŏl'ə-jē) Pronunciation Key
The scientific study of earthquakes and of the internal structure of the Earth. It includes the study of the origin, geographic distribution, effects, and possible prediction of earthquakes. |
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