融熱 融解熱
heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature
同じ温度で固体を液体に変えるために融解点で質量単位の固体に吸収される熱
the heat of fusion is equal to the heat of solidification
融解熱は凝固熱に等しい