reactivation
noun
re·ac·ti·va·tion
(ˌ)rē-ˌak-tə-ˈvā-shən 
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
Shingles is caused by the reactivation of the varicella-zoster virus, the same virus that causes chicken pox, according to the Centers for Disease Control and Prevention (CDC).
—
Korin Miller, SELF, 4 June 2025
Santora said the county’s cases are usually a reactivation of old infections or cases where a latent infection converted to an active one.
—Cameron MacDonald, Mercury News, 7 May 2025
The study states that repeated HSV-1 reactivation can trigger chronic tau hyperphosphorylation, leading to tau toxicity and, thus, neurodegeneration.
—Jack Knudson, Discover Magazine, 2 May 2025
That reactivation takes place in the animal's muscle, which appears to be a key tissue in the process of sensing the damage and inducing regeneration.
—John Timmer, ArsTechnica, 18 Apr. 2025
See All Example Sentences for reactivation
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Korin Miller, SELF, 4 June 2025
Santora said the county’s cases are usually a reactivation of old infections or cases where a latent infection converted to an active one.
—Cameron MacDonald, Mercury News, 7 May 2025
The study states that repeated HSV-1 reactivation can trigger chronic tau hyperphosphorylation, leading to tau toxicity and, thus, neurodegeneration.
—Jack Knudson, Discover Magazine, 2 May 2025
That reactivation takes place in the animal's muscle, which appears to be a key tissue in the process of sensing the damage and inducing regeneration.
—John Timmer, ArsTechnica, 18 Apr. 2025
See All Example Sentences for reactivation
Cite this Entry
“Reactivation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reactivation. Accessed 22 Jul. 2025.
Copy CitationMedical Definition
reactivation
noun
re·ac·ti·va·tion
-ˌak-tə-ˈvā-shən
: the act or process of reactivating or condition of being reactivated
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