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epicenter

[ep-uh-sen-ter] /ˈɛp əˌsɛn tər/
noun
1.
Also, epicentrum. Geology. a point, directly above the true center of disturbance, from which the shock waves of an earthquake apparently radiate.
2.
a focal point, as of activity:
Manhattan's Chinatown is the epicenter of the city's Chinese community.
Also, especially British, epicentre.
Origin
1885-1890
1885-90; < New Latin epicentrum < Greek epíkentros on the center. See epi-, center
Related forms
epicentral, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for epicentral

epicenter

n.

1887, from Modern Latin epicentrum (1879 in geological use); see epi- + center. Related: Epicentral (1866).

Online Etymology Dictionary, © 2010 Douglas Harper
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epicentral in Science
epicenter
  (ěp'ĭ-sěn'tər)   
The point on the Earth's surface that is directly above the focus (the point of origin) of an earthquake. The epicenter is usually the location where the greatest damage associated with an earthquake occurs. See Note at earthquake.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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