noun
desiccant; moisture absorbent
A substance that absorbs moisture from the air, commonly used in packaging, storage, and industrial applications.
この薬の瓶には吸湿剤が入っている。
This medicine bottle contains a desiccant.
吸湿剤を使って湿気を防ぎましょう。
Let's use a moisture absorbent to prevent humidity.