Meaning of SEISM

Pronunciation:			'sIzum
WordNet Dictionary
	Definition:		[n]  shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity
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	Synonyms:		earthquake, quake, temblor
	See Also:		earth tremor, geological phenomenon, microseism, seaquake, seismic disturbance, shock, submarine earthquake, tremor