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. 瞳孔散大

    瞳孔散大

    瞳どう孔こう散さん大だい

    pupil dilation

    NTNounMedicine & HealthKanji Vocab36 strokes

    どうこうさんだい

    Noun

    1.
    pupil dilation, mydriasis
    medicine

    Stroke 0 / 36

    Speed1.0x

    Kanji that make up this word

    瞳
    ひとみ…(3)
    pupil (of eye)
    孔
    あな…(3)
    cavity・hole・slit・very・great…(1)
    散
    ち.る・ち.らす・-ち.らす・ち.らかす・ち.らかる・ち.らばる…(4)
    scatter・disperse・spend・squander
    大
    おお-・おお.きい・-おお.いに…(15)
    large・big
    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

    • 瞳
    • 孔
    • 散
    • 大

    Explore more

    Kanji Vocab dictionary›Browse all entries›