cor·​ti·​sone ˈkȯr-tə-ˌsōn How to pronounce cortisone (audio)
: a glucocorticoid C21H28O5 of the adrenal cortex used in synthetic form especially as an anti-inflammatory agent (as for rheumatoid arthritis)

Example Sentences

Recent Examples on the Web Fletcher flew to Philadelphia to see the doctor in April and received several cortisone injections. Mike Digiovanna, Los Angeles Times, 8 May 2022 Of course, cortisone injections are often done at dermatologist offices to help quickly nip cystic pimples in the bud — just as they are done in America. Devon Abelman, Allure, 16 Feb. 2022 Taylor received a cortisone shot Monday morning, Roberts said, and the manager still was hoping Taylor would play Wednesday in the Dodgers’ final regular-season game against Colorado. Los Angeles Times, 3 Oct. 2022 Also, some people take oral cortisone for arthritis. Dr. Keith Roach, oregonlive, 4 Aug. 2022 Counsell said afterward that Devin Williams needed an additional day of rest after pitching in four of six games last week and that newly acquired Taylor Rogers was still recovering from a cortisone shot in his left knee. Todd Rosiak, Journal Sentinel, 10 Aug. 2022 Piscotty had three cortisone shots — one in September 2020 and two last season — in his left wrist before having surgery in August to stabilize a sheath under a tendon in that wrist. Matt Kawahara, San Francisco Chronicle, 28 Mar. 2022 That Bush was the choice came as a surprise in the moment, and Brewers manager Craig Counsell revealed afterward that Taylor Rogers was nursing a sore knee after a cortisone injection and Devin Williams was resting from a higher than usual workload. Jr Radcliffe, Journal Sentinel, 11 Aug. 2022 Use of corticosteroids like cortisone or prednisone is an additional risk factor. Dr. Keith Roach, oregonlive, 4 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cortisone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


alteration of corticosterone

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of cortisone was in 1949

Dictionary Entries Near cortisone

Cite this Entry

“Cortisone.” Dictionary, Merriam-Webster, Accessed 9 Dec. 2022.

Kids Definition


cor·​ti·​sone ˈkȯrt-ə-ˌsōn How to pronounce cortisone (audio)
: a hormone of the adrenal glands that is used especially to reduce inflammation (as in the treatment of arthritis)

Medical Definition


cor·​ti·​sone -ˌsōn, -ˌzōn How to pronounce cortisone (audio)
: a glucocorticoid C21H28O5 that is produced naturally in small amounts by the adrenal cortex and is administered in the form of its synthetic acetate C23H30O6 especially as replacement therapy for deficient adrenocortical secretion and as an anti-inflammatory agent (as for rheumatoid arthritis) compare 11-dehydrocorticosterone

More from Merriam-Webster on cortisone

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