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overvoltage

[oh-ver-vohl-tij]
noun
  1. Electricity. excess voltage.
  2. Physics. the amount by which the voltage applied to an ionization chamber exceeds the Geiger-Müller threshold.
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Origin of overvoltage

First recorded in 1905–10; over- + voltage
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for overvoltage

overvoltage

noun
  1. a voltage above the normal level
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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