冷 媒

れいばい

noun

refrigerant; coolant

1. refrigerant; coolant

The working fluid in an air conditioner, refrigerator, or heat pump that absorbs and releases heat as it circulates, cooling or heating the surroundings. A technical term in refrigeration and HVAC engineering.

冷媒(れいばい)が漏(も)れている。

The refrigerant is leaking.

この冷蔵庫(れいぞうこ)は新(あたら)しい冷媒(れいばい)を使(つか)っている。

This refrigerator uses a new refrigerant.

環境(かんきょう)への影響(えいきょう)が少(すく)ない冷媒(れいばい)への切(き)り替(か)えが進(すす)んでいる。

The switch to refrigerants with less environmental impact is advancing.

A technical term used in air conditioning, refrigeration, and heat-pump engineering.

Common collocations

冷媒(れいばい)ガス: refrigerant gas
冷媒(れいばい)を充填(じゅうてん)する: to charge with refrigerant
冷媒(れいばい)が漏(も)れる: refrigerant leaks
代替(だいたい)冷媒(れいばい): alternative (substitute) refrigerant

Similar words

冷却(れいきゃく)材(ざい): coolant material — broader term for anything used to cool.
不凍液(ふとうえき): antifreeze — a liquid that lowers the freezing point, as in a car radiator.

Related Words

Compare: 冷却材(れいきゃくざい) (coolant material)

general

Added 2026.7.12 6:17 · Revised 2026.9.2 13:02

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