You know what a stereo is? It's closer to what people called a sound system. Yeah, cool right? It is one of the biggest ones that produce much noise, usually used when watching movies or playing songs for birthday parties. A "S te reo Madne ss" occurs when a person is addicted to stereos and raves over them. Make sur e not to contract this disease becau se it's very contagious!
However, th e latin prefix Stereo- also means solid. It makes sense considering stereos are in fact solid at room tempera ture.