microseism

[ mahy-kruh-sahy-zuhm, -suhm ]
See synonyms for microseism on Thesaurus.com
nounGeology.
  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

1
First recorded in 1885–90; micro- + seism

Other words from microseism

  • mi·cro·seis·mic, mi·cro·seis·mi·cal, adjective

Words Nearby microseism

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British Dictionary definitions for microseism

microseism

/ (ˈmaɪkrəʊˌsaɪzəm) /


noun
  1. a very slight tremor of the earth's surface, thought not to be caused by an earthquake

Derived forms of microseism

  • microseismic (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

Scientific definitions for microseism

microseism

[ 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.