| seism | (noun) shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity | Synonyms: earthquake, quake, temblor |
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| seismal | (adjective) subject to or caused by an earthquake or earth vibration | Synonyms: seismic |
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| seismic | (adjective) subject to or caused by an earthquake or earth vibration | Synonyms: seismal |
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| seismogram | (noun) the graphical record of an earth tremor made by using a seismograph | - |
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| seismograph | (noun) a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake) | - |
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| seismography | (noun) the measurement of tremors and shocks and undulatory movements of earthquakes | - |
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| seismologic | (adjective) of or concerned with seismology | Synonyms: seismological |
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| seismological | (adjective) of or concerned with seismology | Synonyms: seismologic |
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| seismologist | (noun) a geophysicist who studies earthquakes and the mechanical characteristics of the Earth | - |
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| seismology | (noun) the branch of geology that studies earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies | - |
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| seismosaur | (noun) huge herbivorous dinosaur of the Cretaceous found in western North America | Synonyms: ground-shaker |
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