This is the 3440th most frequent Japanese word.
熱量
"熱量" means "heat energy" or "caloric energy."
In this context, "熱量" is used figuratively to describe someone's passion or enthusiasm towards a particular subject or activity.
このプロジェクトに対する彼の熱量はすごいです。
His enthusiasm for this project is incredible.
Here, "熱量" refers to the physical heat energy generated in the body during exercise.
運動をすると、体の熱量が増えます。
Exercising increases the heat energy in the body.
In this instance, "熱量" is used in a technical sense, indicating the heat energy considered in engineering calculations.