Endothermic (adjective)

Relating to or describing a process or reaction that absorbs heat.

Origin:

From greek endon (inside) + thermē (heat).

Examples:

1. The endothermic reaction between hydrogen and oxygen produced a cooling effect.
2. The endothermic process in the refrigeration unit absorbed heat from the surrounding air.
3. The endothermic reaction between baking soda and vinegar can be used to demonstrate heat transfer in chemistry experiments.
4. The endothermic combustion of propane gas in a camping stove required a lighter to provide the initial heat.
5. The endothermic reaction between calcium chloride and water absorbed heat from the environment, causing the mixture to feel cold to the touch.