microseism

noun
mi·cro·seism | \ˈmī-krə-ˌsī-zəm \

Definition of microseism 

: a feeble rhythmically and persistently recurring earth tremor

Other Words from microseism

microseismic \ˌmī-krə-ˈsīz-mik, -ˈsīs- \ adjective
microseismicity \-sīz-ˈmi-sə-tē, -sīs- \ noun

First Known Use of microseism

1887, in the meaning defined above

History and Etymology for microseism

International Scientific Vocabulary micr- + Greek seismos earthquake — more at seismic

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The first known use of microseism was in 1887

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More from Merriam-Webster on microseism

Britannica.com: Encyclopedia article about microseism

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