Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geology Any of the
continuous background movements of theEarth 'ssurface andinterior , having aperiod of 1 to 9 seconds, not associated with anyseismic activity
Etymologies
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Examples
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I once heard talk of using ocular microtremor to see if people's brain stems were still working.
Mind Hacks: Brain scan finds vegetative state patient conscious 2006
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