Kumi logo
    Kumi

    Learn Japanese. Where understanding folds into fluency.

    Dictionary

    KanjiKanji vocabularyKana vocabularyKanaRadicalsGrammarJLPT N5

    Learn

    GuidesStart where you areWhat is KMT?RoadmapFAQ

    Connect

    EmailDiscordInstagramThreadsTikTokYouTubeLinkedInBlueskyX

    Newsletter

    Start learning free →

    Free forever tier. No card required.

    © 2026 Kumiai Inc. All rights reserved.

    AboutFAQContactStatusPrivacyTermsAttributions
    Dictionary
    1. Dictionary
    2. Kanji Vocab
    3. 保温

    保温

    保ほ温おん

    retaining warmth

    N1KMT8News #24+1CoreNoun, Participle, Verb, Intransitive, TransitiveTechnologyHome & HousingKanji Vocab21 strokes

    ほおん

    Noun, Participle, Verb, Intransitive, Transitive

    1.
    retaining warmth, keeping heat in, heat insulation

    Stroke 0 / 21

    Speed1.0x

    この水すい筒とうは保ほ温おん効こう果かが高たかいです。

    This water bottle has high heat retention.

    KMT6Daily LifeTechnology
    冬ふゆの寒さむい日ひには、保ほ温おん性せいの高たかい服ふくを着きるのがおすすめです。

    On cold winter days, it's recommended to wear clothes with high heat retention.

    KMT8Daily LifeFashion & Beauty
    最さい新しんの炊すい飯はん器きには、ご飯はんを美お味いしく保ほ温おんする機き能のうが搭とう載さいされています。

    The latest rice cookers are equipped with a function to keep rice warm and delicious.

    KMT8TechnologyFood & Dining
    魔ま法ほう瓶びんの内ない部ぶは真しん空くう構こう造ぞうになっており、優すぐれた保ほ温おん・保ほ冷れい効こう果かを発はっ揮きします。

    The inside of a thermos bottle has a vacuum structure, demonstrating excellent heat retention and cooling effects.

    KMT9TechnologyScience & Math
    住じゅう宅たくの断だん熱ねつ材ざいは、冬ふゆの保ほ温おんと夏 の遮しゃ熱ねつに重じゅう要ような役やく割わりを果はたします。

    Insulation materials in houses play an important role in retaining heat in winter and blocking heat in summer.

    KMT9Home & HousingTechnology

    Kanji that make up this word

    保
    たも.つ…(8)
    protect・guarantee・keep・preserve・sustain…(1)
    温
    あたた.か・あたた.かい・あたた.まる・あたた.める・ぬく…(7)
    warm
    Kumi logo

    Track your mastery

    Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.

    Related concepts for this entry

    Used in vocabulary

    • 保
    • 温

    Explore more

    Kanji Vocab dictionary›Browse all entries›