1 of 2


: of, relating to, or marked by equal intensity of earthquake shock
an isoseismal line


2 of 2


plural -s
: an isoseismal line on a map or chart of the earth's surface connecting points of equal intensity of earthquake shock

Word History



is- + seismal

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Dictionary Entries Near isoseismal

Cite this Entry

“Isoseismal.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2023.

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