microseism

[mahy-kruh-sahy-zuh m, -suh m]

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noun Geology.

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

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Related Words for microseism

upheaval, shock, temblor, undulation, seism, slip, fault, quake, shake, convulsion, movement, trembler, quaker, seismism

British Dictionary definitions for microseism

microseism

noun

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]

A faint Earth tremor, unrelated to earthquakes, caused by natural phenomena, such as winds and strong ocean waves.