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| a scrap or morsel of food left at a meal. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| seismology (sīz-mŏl'ə-jē) Pronunciation Key
The scientific study of earthquakes and of the internal structure of the Earth. It includes the study of the origin, geographic distribution, effects, and possible prediction of earthquakes. |
The branch of science devoted to the study of seismic waves and the information they provide about the structure of the interior of the Earth.
Note: Our knowledge of the properties of the crust, the mantle, and the core comes from this field.