An endothermic process is a chemical or physical change that absorbs heat from its surroundings, resulting in a decrease in temperature. In other words, it is a process that requires energy input to occur.
Related terms
Exothermic Process: A chemical or physical change that releases heat into its surroundings, resulting in an increase in temperature.
Activation Energy: The minimum amount of energy required for a chemical reaction to occur.
Enthalpy: The total heat content of a system at constant pressure.