microseism

[ mahy-kruh-sahy-zuh m, -suh m ]
/ ˈmaɪ krəˌsaɪ zəm, -səm /

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

OTHER WORDS FROM microseism

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

British Dictionary definitions for microseism

microseism
/ (ˈmaɪkrəʊˌsaɪzəm) /

noun

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

Scientific definitions for microseism

microseism
[ mīkrə-sī′zəm ]

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