Explained - What is Scientific Chaos Theory? Many people think that Chaos Theory is about disorder and randomness. However, it is not literally about disorder in science. It is stranger than you might think. Then what exactly is Chaos Theory? Let's find out the real meaning of chaos and chaos theory in science. The word "chaos" means disorder. However, the scientific chaos theory is not about disorder as we use it in our daily lives. The Chaos Theory is about statistical disorder,