exothermic
adj 3noun 1
Definitions
adj
1
That releases energy in the form of heat.
These can be differentiated on a thermal scan where an endothermic transition indicates enantiotropes and an exothermic transition indicates monotropes.
2
That releases heat during its formation, and absorbs it during its decomposition.
3
Of an animal: whose body temperature is regulated by external factors; cold-blooded.
noun
1
A substance that releases heat energy.
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