Japanese word

保温

Pronunciation

Romajihoon

Meaning

  • nounheat retention

Example

このカップは保温に優れています。ko no ka ppu wa ho on ni sugu re te i ma su

This cup has excellent heat retention.

Illustration for 保温 (heat retention)

More examples

ふたを閉めると、飲み物の保温が長く続きます。fu ta o shi me ru to no mi mono no ho on ga naga ku tsuzu ki ma su

When the lid is closed, the drink stays warm for a long time.

Core concept

The word describes keeping heat that is already present from escaping, allowing warmth to last longer.

Common phrases

  • 保温性能ho on sei nō

    heat-retention performance

  • 保温効果ho on kō ka

    heat-retention effect

  • 保温に優れるho on ni sugu re ru

    excel at retaining heat

Definition in Japanese

温度が下がらないように、熱を内部に保つこと。on do ga sa ga ra na i yō ni netsu o nai bu ni tamo tsu ko to

Word origin

The word 保温 (hoon, "heat retention") combines 保 (ho, "preserve") with 温 (on, "warmth") to express keeping warmth from being lost.

Usage tips

  • A rice cooker's 保温 (hōn) setting keeps cooked rice warm after cooking, so the word often appears as the name of a built-in function.

Opposites

  • 放熱hōnetsuheat dissipationnoun

Related words

  • 保温性hoonseiheat retentionnoun
  • 保温力hoonryokuheat-retaining powernoun

Word lists with this word