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electric strength

British  

noun

  1. the maximum voltage sustainable by an insulating material, after which it loses its insulating properties

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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And electric strength had come to him now the horizons were kicked out.

From "The Pearl" by John Steinbeck

The electric strength for a homogeneous plate of crystalline sulphur is not less than 33,000 volts per centimetre, and probably a good deal more.

From On Laboratory Arts by Threlfall, Richard