reactivation

noun

re·​ac·​ti·​va·​tion (ˌ)rē-ˌak-tə-ˈvā-shən How to pronounce reactivation (audio)
plural reactivations
: the act or process of making something active again or becoming active again : the act or process of reactivating or the condition of being reactivated
reactivation of a dormant virus
reactivation of several warships

Examples of reactivation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Per the Mayo Clinic, shingles is not life-threatening and is a reactivation of chickenpox, given that the virus stays in the body for the rest of one’s life. Natalie Oganesyan, Deadline, 1 Mar. 2025 Interestingly, the research found exposing brain cells harboring dormant HSV-1 to VZV led to a reactivation of the herpesvirus and a cascade of the toxic plaques known to be signs of Alzheimer’s. Rich Haridy, New Atlas, 25 Feb. 2025 Like people with long Covid, those with post-vaccination syndrome showed reactivation of Epstein-Barr virus, a virus that may lie dormant in the body and is linked to mononucleosis, multiple sclerosis and other conditions. Apoorva Mandavilli, New York Times, 19 Feb. 2025 But Council members also agreed to request reactivation of the Safe Routes to School Committee, which has not been active for several years, in order to address concerns related to crosswalks and lack of sidewalks in heavily trafficked areas. Amy Wilde, Twin Cities, 7 Feb. 2025 See All Example Sentences for reactivation

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of reactivation was in 1903

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Cite this Entry

“Reactivation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reactivation. Accessed 9 Mar. 2025.

Medical Definition

reactivation

noun
re·​ac·​ti·​va·​tion -ˌak-tə-ˈvā-shən How to pronounce reactivation (audio)
: the act or process of reactivating or condition of being reactivated

More from Merriam-Webster on reactivation

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