from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A faint earth tremor caused by natural phenomena, such as winds and strong ocean waves.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A faint earth tremor caused by natural phenomena, such as wind.
from the GNU version of the Collaborative International Dictionary of English
- n. A feeble earth tremor not directly perceptible, but detected only by means of specially constructed apparatus.
from The Century Dictionary and Cyclopedia
- n. A slight or weak earthquake-tremor.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a small earthquake
Sorry, no etymologies found.
When one of these waves interacts with the sea bottom, it produces a small tremor, or microseism , that travels thousands of miles through the solid Earth at about 2.5 miles per second.