JLPT N3 Intermediate
保温
Retaining heat; keeping warm
Readings
Other forms
保温する verb form: to keep warm
Noun, Suru verb
"Keeping Warm" / "Heat Retention"
The preservation of heat to maintain a warm temperature over time.
Example
この 水筒 は 保温 機能 が 優れて います 。
This thermos is great at keeping things warm.
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