n. The study of the vibration of the Earth's interior caused by natural and unnatural sources, such as earthquakes.
the GNU version of the Collaborative International Dictionary of English
n. The science of earthquakes.
The Century Dictionary and Cyclopedia
n. The branch of science which has for its object the investigation of the causes and effects of earthquakes, and, in general, of all the conditions and circumstances of their occurrence.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the branch of geology that studies earthquakes
Word Usage
"And we have seen quantum improvements in seismology as well as in directional and horizontal drilling, under-sea pipeline construction to name just a few."