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Showing results for microseism. Search instead for niseis.
Definitions

microseism

[mahy-kruh-sahy-zuhm, -suhm] / ˈmaɪ krəˌsaɪ zəm, -səm /
NOUN
earthquake
Synonyms
STRONGEST
shock temblor upheaval
STRONG
convulsion fault movement quake quaker seism shake trembler undulation
WEAK
macroseism seimicity seismism
Antonyms
STRONG
perfection

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.