noun
heat treatment; heating
Technical term for applying heat to materials, food, or products to achieve a desired effect such as sterilization, cooking, or property change.
この食品は加熱処理済みです。
This food has been heat-treated.
金属の加熱処理によって硬度が増す。
The hardness increases through heat treatment of the metal.
熱処理 is a broader term for thermal processing, often used in metallurgy and engineering, while 加熱処理 emphasizes the act of applying heat, commonly used in food and sterilization contexts.
Compound of 加熱 (かねつ, 'heating') and 処理 (しょり, 'treatment, processing').