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Definition of anabolic steroid noun from the Oxford Advanced American Dictionary


anabolic steroid

NAmE//ˌænəbɑlɪk ˈstɛrɔɪd//
, NAmE//‑ˈstɪr‑//
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an artificial hormone (= a chemical substance) that increases the size of the muscles. It is sometimes taken illegally by people who play sports. see also steroid
See the Oxford Advanced Learner's Dictionary entry: anabolic steroid