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. 開口期

    開口期

    開かい口こう期き

    dilatation stage (of labour)

    NTNounMedicine & HealthKanji Vocab27 strokes

    かいこうき

    Noun

    1.
    dilatation stage (of labour)
    medicine

    Stroke 0 / 27

    Speed1.0x

    Kanji that make up this word

    開
    ひら.く・ひら.き・-びら.き・ひら.ける・あ.く・あ.ける…(4)
    open・unfold・unseal
    口
    くち…(2)
    mouth
    期
    period・time・date・term
    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

    • 開
    • 口
    • 期

    Explore more

    Kanji Vocab dictionary›Browse all entries›