microseism

American  

[mahy-kruh-sahy-zuhm, -suhm] / ˈmaɪ krəˌsaɪ zəm, -səm /

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.

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microseism British  

/ ˌmaɪkrəʊˈsaɪzmɪk, ˈmaɪkrəʊˌsaɪzəm /

noun

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

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microseism Scientific  

/ mī′krə-sī′zəm /

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

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Other Word Forms

Derived Forms

• microseismic
  adjective
• microseismical
  adjective

Etymology

Origin of microseism

First recorded in 1885–90; micro- + seism

Related Words

• shock
• temblor
• upheaval