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单词 epicenter
释义

epicenter


ep·i·cen·ter

E0175200 (ĕp′ĭ-sĕn′tər)n.1. The point on the earth's surface directly above the focus of an earthquake.2. The focal point of a usually harmful or unpleasant phenomenon or event; the center: stood at the epicenter of the international crisis.
ep′i·cen′tral adj.Usage Note: Epicenter is properly a geological term identifying the point of the earth's surface directly above the focus of an earthquake. No doubt this is why the Usage Panel approves of figurative extensions of its use in dangerous, destructive, or negative contexts. In our 2008 survey, 74 percent accepted the sentence identifying a country as the epicenter for terrorist financing. The Panel is less fond but still accepting of epicenter when it is used to refer to the focal point of neutral or positive events. Fifty percent approved of the word in a sentence identifying New York City as the epicenter of European immigration. These percentages are both down a little from those in our 1996 survey, but not significantly.

ep•i•cen•ter

(ˈɛp əˌsɛn tər)

n. 1. 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; center. [1885–90; < New Latin epicentrum < Greek epíkentros on the center] ep`i•cen′tral, adj.

ep·i·cen·ter

(ĕp′ĭ-sĕn′tər) The point on the Earth's surface that is directly above the focus (the point of origin) of an earthquake.

epicenter

a point on the earth’s surface directly above the true center of the seismic disturbance from which the shock waves of an earthquake seem to radiate.See also: Earthquakes
Thesaurus
Noun1.epicenter - the point on the Earth's surface directly above the focus of an earthquakeepicentregeographic point, geographical point - a point on the surface of the Earth
Translations
épicentreepicentro

Epicenter


epicentre

(US), epicenter the point on the earth's surface directly above the focus of an earthquake or underground nuclear explosion

Epicenter

 

(1) The projection of the hypocenter of an earthquake onto the earth’s surface (seeHYPOCENTER). The location of the epicenter is determined from recordings by seismic stations, and the epicentral region is determined by the degree of destruction on the surface. Epicenter maps showing the magnitudes of earthquakes are used in seismic zoning. (See alsoEARTHQUAKES.)

(2) The projection onto the earth’s surface of the center of an atmospheric (underwater or underground) nuclear explosion.

epicenter

[′ep·ə‚sen·tər] (geology) A point on the surface of the earth which is directly above the seismic focus of an earthquake and where the earthquake vibrations reach first. (mathematics) The center of a circle that generates an epicycloid or hypocycloid.
MedicalSeeEpicentre

EPICENTER


AcronymDefinition
EPICENTEREducation Process Improvement Center, Inc.

epicenter


  • noun

Synonyms for epicenter

noun the point on the Earth's surface directly above the focus of an earthquake

Synonyms

  • epicentre

Related Words

  • geographic point
  • geographical point
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更新时间:2025/3/1 12:19:40