noun ダウンロード 🔗共有 か焼 the process of heating a substance to a high temperature in order to remove volatile components or to cause a chemical change, as in the conversion of limestone to lime. Examples : "The calcination of limestone produces quicklime." 石灰石のか焼は生石灰を生成する。 geology chemistry physics process material AIとチャット語彙ゲーム読解練習