STEROID

[noun] [C] - a type of chemical substance naturally produced in the body. There are various types of steroid.Steroids are responsible for maintaining many of the workings of the body.A steroid is also an artificial form of the natural chemical substance which is used for treating particular medical conditions. There are various types of these steroids.I'm taking steroids/I'm on steroids for my asthma.Steroid creams are used for treating some types of skin condition.A steroid is also a drug which increases the development of your muscles. These drugs are sometimes taken illegally by people taking part in sports competitions.Ben Johnson was stripped of his Olympic gold medal and banned from athletics for taking anabolic steroids.The swimmer has tested positive for (= has been shown to have taken) steroids.