endotherm
🇺🇸
/ˈɛndəˌθɚm/
🇬🇧
/'endəθɜ:m/
A living thing, like a bird or a human, that keeps its body warm by making its own heat.
Birds are endotherms, which means they can stay warm even when it's cold outside.
鳥は恒温動物であり、外が寒くても温かく保ちます。
A chemical reaction that needs to take in heat from the environment to work.
When you dissolve something like sugar in water, it's an endothermic reaction because it takes heat from the surroundings.
砂糖を水に溶かすとき、それは周囲から熱を取り込むため、吸熱反応です。