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flashover

 - 2 dictionary results

flash⋅o⋅ver

  [flash-oh-ver]
Use flashover in a Sentence
–noun
1. Electricity. a disruptive discharge around or over the surface of a solid or liquid insulator.
2. the moment of conflagration or complete incineration caused by superheated air or combustibles.
–verb (used without object)
3. Electricity. to have or experience a flashover.
Origin:
1890–95; orig. n. use of v. phrase flash over
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To flashover
flash·o·ver   (flāsh'ō'vər)   
n.  

  1. An unintended electric arc, as between two pieces of apparatus.

  2. The temperature point at which the heat in an area or region is high enough to ignite all flammable material simultaneously.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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