szteroid

Any of a large class of organic compounds characterized by a structure of four fused carbon rings, including many hormones, vitamins, and components of cell membranes.

Performance-enhancing drugs, especially anabolic steroids, used to build muscle or improve athletic performance.

A natural or, more often, synthetic hormone-like drug used to increase muscle growth, strength, or athletic performance, and frequently associated with sports doping.

A steroid medication, usually a corticosteroid, prescribed to reduce inflammation, relieve symptoms such as swelling and itching, or suppress the immune system.