flashover


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Related to flashover: flashover voltage

flash·o·ver

 (flăsh′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 is high enough to ignite all flammable material simultaneously.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

flashover

(ˈflæʃˌəʊvə)
n
1. (Electrical Engineering) an electric discharge over or around the surface of an insulator
2. the sudden and rapid spread of fire through the air, caused by the ignition of smoke or fumes from surrounding objects
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

flash•o•ver

(ˈflæʃˌoʊ vər)

n.
a disruptive electrical discharge around or over the surface of a solid or liquid insulator.
[1890–95]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.flashover - an unintended electric discharge (as over or around an insulator)
arc, electric arc, electric discharge, spark, discharge - electrical conduction through a gas in an applied electric field
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The origin of the fire was the living room which had reached 'flashover' and suffered severe fire damage.
He grabbed the child moments before a "flashover scenario" occurred as a chip pan of oil boiled over creating an inferno that engulfed the halting site property.
Special response teams and police dogs will show their skills and firefighters will give a flashover demonstration.
TNB chief corporate officer Datuk Roslan Ab Rahman said resorting to such a move was dangerous as there was a risk of electrocution and flashover that could damage property and endanger lives.
The Consumer Technology Association, which runs CES, has issued a statement regarding the blackout saying that a preliminary assessment indicates that "condensation from heavy rainfall caused a flashover on one of the facility's transformers."
"The Bunsen burner, that flame, nowhere near matches the effects of a flashover fire, Riley said.
A member of staff at the Angel Inn, White Cross Lane, Caerphilly, suffered burns when a "flashover" occurred from a gas-fired cooking range on July 16.
A fire investigation officer said the blaze caused a "flashover" - an "extremely dangerous phenomena" - leading to flames shooting upstairs.
The unit without sprinklers reached flashover less than 2.5 minutes after ignition, reaching temperatures over 400 degrees farenheit and emitting high concentrations of toxic, deadly gases.