Search Result for "seismology": 
Wordnet 3.0

NOUN (1)

1. the branch of geology that studies earthquakes; 



The Collaborative International Dictionary of English v.0.48:

Seismology \Seis*mol"o*gy\, n. [Gr. ??? an earthquake + -logy.]
   The science of earthquakes.
   [1913 Webster]


WordNet (r) 3.0 (2006):

seismology
    n 1: the branch of geology that studies earthquakes