electric field

noun Electricity.
a vector quantity from which is determined the magnitude and direction of the force (electric force) on a charged particle due to the presence of other charged particles, accelerated charged particles, or time-varying currents. Symbol: E

Origin:
1895–1900

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Collins
World English Dictionary
electric field
 
n
Compare magnetic field a field of force surrounding a charged particle within which another charged particle experiences a force

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
electric field  
The distribution in space of the strength and direction of forces that would be exerted on an electric charge at any point in that space. Electric fields themselves result directly from other electric charges or from changing magnetic fields. The strength of an electric field at a given point in space near an electrically charged object is proportional to the amount of charge on the object, and inversely proportional to the distance between the point and the object. See also electromagnetism, electrostatic force.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Most animals can tell how fast the electric field in a light wave is
  oscillating, which is perceived as color.
As the current alternates, the magnetic field reverses, creating an electric
  field that induces a current in the secondary coil.
The obvious way to go about this task is to send electrons through an electric
  field and see whether they twist and turn.
When an electric field is applied, one lot is drawn towards it while the other
  is repelled.
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