prednisone

noun

pred·​ni·​sone ˈpred-nə-ˌsōn How to pronounce prednisone (audio)
also
-ˌzōn How to pronounce prednisone (audio)
: a glucocorticoid C21H26O5 that is a dehydrogenated analog of cortisone and is used as an anti-inflammatory agent, as an antineoplastic agent, and as an immunosuppressant

Examples of prednisone in a Sentence

Recent Examples on the Web
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When used, both chemotherapy drugs above are typically combined with a steroid, like prednisone, and given intravenously (through a vein) at an infusion center or hospital. Matthew Wosnitzer, Verywell Health, 18 Apr. 2025 The story line may have some grounding in Marilyn’s own reliance on Lee Strasberg’s coaching and the subplot in season one of the show in which Ivy hallucinates on prednisone, but the jokes are easy and get old within the first minute of watching Nielsen mutter in Hurder’s ear. Jackson McHenry, Vulture, 11 Apr. 2025 Gastroenterologist Alan Moss, chief scientific officer of the New York–based Crohn’s and Colitis Foundation, says that older drugs such as the steroid prednisone suppress the entire immune system. Lydia Denworth, Scientific American, 18 Mar. 2025 Long-term steroid use: Taking steroids like prednisone and prednisolone for a long time can increase your cortisol levels. Kirstyn Hill, Pharmd, Mph, Health, 3 Mar. 2025 See All Example Sentences for prednisone

Word History

Etymology

probably from pregnane (C21H36) + diene (compound containing two double bonds) + cortisone

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of prednisone was in 1955

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Cite this Entry

“Prednisone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prednisone. Accessed 2 May. 2025.

Medical Definition

prednisone

noun
pred·​ni·​sone
ˈpred-nə-ˌsōn also -ˌzōn
: a glucocorticoid C21H26O5 that is a dehydrogenated analog of cortisone and is used as an anti-inflammatory agent, as an antineoplastic agent, and as an immunosuppressant

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