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. 膨張係数

    膨張係数

    膨ぼう張ちょう係けい数すう

    coefficient of expansion

    NTNounScience & MathKanji Vocab49 strokes

    ぼうちょうけいすう

    Noun

    1.
    coefficient of expansion

    Stroke 0 / 49

    Speed1.0x

    Kanji that make up this word

    膨
    ふく.らむ・ふく.れる…(1)
    swell・get fat・thick
    張
    は.る・-は.り・-ば.り…(3)
    counter for bows & stringed instruments・stretch・spread・put up (tent)
    係
    かか.る・かかり・-がかり・かか.わる…(1)
    person in charge・connection・duty・concern oneself
    数
    かず・かぞ.える・しばしば・せ.める・わずらわ.しい…(6)
    number・strength・fate・law・figures
    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

    • 膨
    • 張
    • 係
    • 数

    Explore more

    Kanji Vocab dictionary›Browse all entries›