1.
ice pack; cold pack; coolant pack
A gel pack that can be frozen and used to keep things cold. Commonly used for keeping food fresh during transport, cooling injuries, or beating the summer heat.
保冷剤を入れてください。
Please put in an ice pack.
ケーキを買ったとき、店員が保冷剤を付けてくれた。
When I bought the cake, the clerk included an ice pack.
夏は保冷剤をタオルに包んで首に巻くと涼しい。
In summer, wrapping an ice pack in a towel and putting it around your neck keeps you cool.
USAGE: 保冷剤 is an everyday word in Japan. Cake shops and other stores selling perishable goods routinely offer 保冷剤 with purchases. They are also commonly used in 保冷バッグ (insulated bags) for picnics and lunch boxes.
COMMON COLLOCATIONS:
- 保冷剤を入れる (to put in an ice pack)
- 保冷剤を付ける (to include an ice pack)
- 保冷剤を冷凍庫で凍らせる (to freeze an ice pack in the freezer)
The word is a compound of 保冷 (keeping cold) and 剤 (agent/substance). In cake shops, you may be asked 保冷剤はお付けしますか (Shall I include an ice pack?).