Definition of “steroid” - English Dictionary

british dictionary

“steroid” in British English

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steroidnoun [ C ]

uk /ˈste.rɔɪd/ /ˈstɪər.ɔɪd/ us /ˈster.ɔɪd/ /ˈstɪr.ɔɪd/

one of the different types of chemical substances that are produced in the body

an artificial form of a natural chemical substance that is used for treating particular medical conditions:

I'm taking steroids/I'm on steroids for my asthma.

a drug that increases the development of your muscles, sometimes taken illegally by people taking part in sports competitions

(Definition of “steroid” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“steroid” in American English

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steroidnoun [ C ]

us /ˈster·ɔɪd, ˈstɪər-/

biology, chemistry any of a large group of chemical substances produced in the body or in a plant, or an artificial form of these substances used to treat various medical conditions or to illegally improve sports performance

(Definition of “steroid” from the Cambridge Academic Content Dictionary © Cambridge University Press)