isoseismalPronunciation: /ˌʌɪsə(ʊ)ˈsʌɪzm(ə)l/Definition of isoseismal adjective Geology relating to or denoting lines on a map connecting places where an earthquake was experienced with equal strength. Derivatives isoseismic adjective isoseismal in other Oxford dictionaries Definition of isoseismal in the US English dictionary
