demineralization

詳細解釋：

de.min.er.al.i.za.tion

n.（名詞）
The act or process of removing minerals or mineral salts from a liquid, such as water.
脫礦質作用，除鹽作用：從液體，例如水中除去礦物質或礦物鹽分的動作或過程
The loss, deprivation, or removal of minerals or mineral salts from the body, especially through disease, as the loss of calcium from bones or teeth.
失礦質，失鹽：從身體中失去、除去或移走礦物質或礦物鹽，特指患病時失去礦物質。例如骨頭或牙齒的脫鈣現象