Translation guide
A substance that absorbs moisture from the air, used to keep things dry. In Japanese, the most common term is 乾燥剤, but in everyday contexts like food packaging, 乾燥材 or the loanword シリカゲル (for silica gel) are frequently seen.
A chemical or material used to absorb moisture, often in industrial or technical contexts.
The standard technical term for any desiccant agent. Used in chemistry, manufacturing, and product descriptions.
この容器には乾燥剤が入っています。
This container has a desiccant inside.
乾燥剤としてシリカゲルがよく使われる。
Silica gel is often used as a desiccant.
Often used interchangeably with 乾燥剤, but can imply a material rather than a chemical agent. Common on product labels.
乾燥材は食品の包装によく入っています。
Desiccants are often included in food packaging.
The small packet found in food, electronics, or clothing packaging to keep items dry.
The most common term for the small desiccant packets in everyday products. Even if the packet contains another substance, it's often called シリカゲル.
お菓子の袋にシリカゲルが入っていた。
There was a silica gel packet in the snack bag.
シリカゲルは食べられません。
Do not eat silica gel.
Also used for the packet itself, but シリカゲル is more specific and common in daily conversation.
A product placed in a room, closet, or storage area to reduce humidity.
Specifically a moisture-absorbing product for household use, like those hanging in closets. Often contains calcium chloride.
クローゼットに除湿剤を置いています。
I put a moisture absorber in the closet.
Can be used broadly, but 除湿剤 is more precise for room dehumidifiers.
部屋の乾燥剤を交換する。
Replace the room desiccant.
乾燥剤 is a general term for desiccant substances, often used in packaging. 除湿剤 refers specifically to products that dehumidify spaces like rooms or closets. Use 除湿剤 for household moisture absorbers.
除湿剤は湿気を取るために使います。
Moisture absorbers are used to remove humidity.
Desiccant packets often have warnings not to eat them. In Japanese, you'll see 「食べられません」 or 「誤食注意」 on the packet.
Can this desiccant be reused?