Exothermic

/ˌɛksəˈθɜːrmɪk/ adjective

Definition

Releasing energy in the form of heat; describing chemical or physical reactions that give off warmth to the environment.

Etymology

From Greek exō (outside) + thermikos (relating to heat). This is the more common modern scientific form of exothermal, standardized in chemistry and physics terminology.

Kelly Says

Combustion, respiration, and neutralization reactions are exothermic—even your cells are constantly running exothermic reactions to power your thoughts, movements, and heartbeat!

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