de-energize

[ dee-en-er-jahyz ]
/ diˈɛn ərˌdʒaɪz /

verb (used with object), de-en·er·gized, de-en·er·giz·ing.

to deprive of electrical energy or exhaust the electrical energy from: Turning off the ignition de-energizes the spark plugs.

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Also especially British, de-en·er·gise .

Origin of de-energize

First recorded in 1885–90; de- + energize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for de-energize

de-energize

de-energise

/ (diːˈɛnəˌdʒaɪz) /

verb

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

Derived forms of de-energize

de-energization or de-energisation, noun
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