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microseism

[mahy-kruh-sahy-zuh m, -suh m]
See more synonyms for microseism on Thesaurus.com
noun Geology.
  1. a feeble, recurrent vibration of the ground recorded by seismographs and believed to be due to an earthquake or a storm at sea.

Origin of microseism

First recorded in 1885–90; micro- + seism
Related formsmi·cro·seis·mic, mi·cro·seis·mi·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for microseism

upheaval, shock, temblor, undulation, seism, slip, fault, quake, shake, convulsion, movement, microseism, trembler, quaker, seismism
British Dictionary definitions for microseism

microseism

noun
  1. a very slight tremor of the earth's surface, thought not to be caused by an earthquake
Derived Formsmicroseismic (ˌmaɪkrəʊˈsaɪzmɪk) or microseismical, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
microseism in Science

microseism

[mī′krə-sī′zəm]
  1. A faint Earth tremor, unrelated to earthquakes, caused by natural phenomena, such as winds and strong ocean waves.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.