adjective
endothermic
en-doh-THUR-mik/ˌendəʊˈθɜːrmɪk/
Absorbing heat from the surroundings.
An endothermic reaction absorbs heat from the air around it.

Etymology
“Within” and “heat” describe heat being taken into a reacting system. In the chemical sense, an endothermic reaction absorbs heat from its surroundings.
In context
if the temperature increases the system will shift to absorb the energy in an endothermic reaction so if we heat it up
More examples
- Melting ice is an endothermic process.
- An endothermic reaction makes this instant cold pack feel cold.
- Sweat cools your skin because evaporation is endothermic.
Forms
endothermically adverb — In a way that absorbs heat.
Similar words
- heat-absorbing
- Expresses the same idea in everyday rather than technical language.