microseismic

Variant of microseism

noun

a very slight tremor or quivering of the earth's crust that is not related to an earthquake, usually caused by an atmospheric disturbance

Origin: < micro- + Gr seismos: see seismic

Related Forms:

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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