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.

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de-energize British  

/ diːˈɛnəˌdʒaɪz /

verb

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

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Other Word Forms

• de-energization
  noun

Etymology

Origin of de-energize

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

Example Sentences

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 lawsuit, which seeks unspecified damages, said Xcel failed to de-energize its electrical equipment before the onset of strong winds.

From Seattle Times • Jul. 11, 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