ritonavir
noun
ri·to·na·vir
ˌrī-ˈtō-nə-ˌvir 
-ˈtä-,
ri-
: an antiviral drug C37H48N6O5S2 that is a protease inhibitor administered orally in conjunction with other agents to treat viral infections (such as HIV infection and hepatitis C)
Examples of ritonavir in a Sentence
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The rest of the group took a placebo with ritonavir, which doesn't work against the SARS-CoV-2 virus on its own.
—
Jamie Ducharme, TIME, 7 June 2024
In other words, medication crystals like those in ritonavir can be grown larger and more structurally sound than is typically possible here on Earth.
—Andrew Paul, Popular Science, 29 Feb. 2024
Once in low-Earth orbit, its mini-lab autonomously grew crystals of the common HIV treatment drug ritonavir.
—Andrew Paul, Popular Science, 29 Feb. 2024
The treatment consists of two medications: nirmatrelvir, which blocks a key enzyme that the Covid virus needs to replicate, and ritonavir, which boosts the first medication’s ability to fight the infection.
—Annika Kim Constantino, NBC News, 25 May 2023
See all Example Sentences for ritonavir 
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Jamie Ducharme, TIME, 7 June 2024
In other words, medication crystals like those in ritonavir can be grown larger and more structurally sound than is typically possible here on Earth.
—Andrew Paul, Popular Science, 29 Feb. 2024
Once in low-Earth orbit, its mini-lab autonomously grew crystals of the common HIV treatment drug ritonavir.
—Andrew Paul, Popular Science, 29 Feb. 2024
The treatment consists of two medications: nirmatrelvir, which blocks a key enzyme that the Covid virus needs to replicate, and ritonavir, which boosts the first medication’s ability to fight the infection.
—Annika Kim Constantino, NBC News, 25 May 2023
See all Example Sentences for ritonavir
Dictionary Entries Near ritonavir
Cite this Entry
“Ritonavir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ritonavir. Accessed 5 Nov. 2024.
Copy CitationMedical Definition
ritonavir
noun
ri·to·na·vir
ˌrī-ˈtō-nə-ˌvir, -ˈtän-ə-, ri-
: a protease inhibitor C37H48N6O5S2 that is administered orally in conjunction with other agents (such as lopinavir or nirmatrelvir) to treat viral infections (such as HIV infection, hepatitis C, or COVID-19)
Note: Trademarks for preparations containing ritonavir include Norvir and Paxlovid.
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