👉 In physics, a megalesthen (also known as a megalethane) is a very large amount of heat energy. It can be caused by a variety of factors such as nuclear fusion in stars or the burning of fossil fuels, and it is used to drive engines and generate electricity. A megalesthen is typically measured in joules per mole (J/mol). In this context, "megalesthete" refers to a very large amount of heat energy that has been