The zeroth law of thermodynamics was proposed or formulated a long time after the first three laws of thermodynamics . This new law defined the temperature in a way that was much clearer than what the other three laws stated. The Zeroth Law of Thermodynamics , the First Law of Thermodynamics , the Second Law of Thermodynamics , and the Third Law of Thermodynamics are the four laws of thermodynamics . The zeroth law of thermodynamics was created after the first three, which is an important distinction. However, there was considerable debate over whether it should be known as the fourth law or by another name. The problem arose because the new law effectively replaced the previous three statutes and gave a clearer ... Thermodynamics is that branch of physics that deals mainly with the phenomenon of heat, work, temperature, energy, and their interrelations. In this article, you will learn about the important concept of the zeroth law of thermodynamics . State the Zeroth Law of Thermodynamics The zeroth law of thermodynamics tells us the concept of temperature. This law states that if two bodies are each in thermal equilibrium with a third one, then they are in thermal equilibrium with each other. So, what ... Discover the Zeroth Law of Thermodynamics —its definition, significance, and how it underpins temperature measurement and thermal equilibrium.