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de-energize

American  
[dee-en-er-jahyz] / diˈɛn ərˌdʒaɪz /
especially British, de-energise

verb (used with object)

de-energized, de-energizing
  1. to deprive of electrical energy or exhaust the electrical energy from.

    Turning off the ignition de-energizes the spark plugs.


de-energize British  
/ diːˈɛnəˌdʒaɪz /

verb

  1. (tr) electrical engineering to disconnect (an electrical circuit) from its source

"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

Other Word Forms

Etymology

Origin of de-energize

First recorded in 1885–90; de- + energize ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

But it did not de-energize the larger transmission lines that carry electricity through the canyon on massive metal towers until well after the Eaton fire broke out.

From Los Angeles Times Feb. 13, 2025

Powell said the utility company can only be so precise in how it executes power shutoffs because it can only de-energize at the level of circuits.

From Los Angeles Times Jan. 9, 2025

Afterwards, the local Salt River Project power utility was called to de-energize the pole.

From Washington Times Dec. 7, 2023

The project required Metro to coordinate with Pepco, which will de-energize power transmission lines 15 feet above the station canopies.

From Washington Post Jan. 28, 2023

The passive and contemplative following of thought, my own or other people's, must not de-energize my sympathies and my will.

From Julia Ward Howe 1819-1910 by Elliott, Maud Howe

In a statement, Edison had previously said that distribution lines immediately west of Eaton Canyon were de-energized well before the fire started.

From Los Angeles Times Jan. 26, 2025

Additionally, the company said its distribution lines to the west of Eaton Canyon "were de-energized well before the reported start time of the fire" as part of its fire safety shutoff program.

From BBC Jan. 16, 2025

At that moment, Trump took a long-defeated sigh, and looked up at the ceiling blankly, looking confused and de-energized.

From Salon Mar. 14, 2024

Had the utility heeded weather service “warnings and de-energized their powerlines during the predicted high-wind gusts, this destruction could have been avoided,” the lawsuit said.

From Seattle Times Aug. 24, 2023

So de-energized, the armature falls back and the cycle is repeated until the button contact is released.

From Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. by Miller, Kempster

“We can look after the fact and see that the consequences of potentially not de-energizing the transmission lines are enormous,” he said.

From Los Angeles Times Feb. 13, 2025

The CEO of Southern California Edison told The Times earlier this month that winds were not strong enough to merit de-energizing a powerful electrical transmission line.

From Los Angeles Times Jan. 26, 2025

The head of Southern California Edison said Wednesday that winds blowing in Eaton Canyon on Jan. 7 were not strong enough to meet the threshold the company uses for de-energizing the powerful electrical transmission line.

From Los Angeles Times Jan. 16, 2025

Powell said Edison was monitoring the weather closely Jan. 7 but said the winds did not meet the threshold the company uses for de-energizing transmission lines.

From Los Angeles Times Jan. 15, 2025

Where the study of metaphysics becomes de-energizing, it becomes demoralizing.

From Julia Ward Howe 1819-1910 by Elliott, Maud Howe

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