seismologist [seismologists](person who practices seismology) noun [UK: saɪz.ˈmɒ.lə.dʒɪst] [US: ˌsaɪz.ˈmɑː.lə.dʒəst]Six seismologists were convicted of manslaughter in Italy after they had failed to predict an earthquake. = Sei sismologi sono stati condannati per omicidio colposo in Italia per non aver predetto un terremoto.