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. 凹凸

    凹凸

    凹おう凸とつ

    unevenness

    KMT9News #25+1Ref L2NounScience & MathKanji Vocab10 strokes

    おうとつ

    Noun

    1.
    unevenness, bumpiness, roughness, ruggedness
    2.
    imbalance, inequality, unevenness, disparity

    Stroke 0 / 10

    Speed1.0x

    この道みちは凹おう凸とつが多おおい。

    This road has many bumps and dips.

    KMT7Travel & Transportation
    地じ面めんの凹おう凸とつが激はげしく、歩あるきにくい。

    The ground is very uneven, making it difficult to walk.

    KMT9Nature & EnvironmentDaily Life
    表ひょう面めんの凹おう凸とつをナノレベルで測そく定ていする技ぎ術じゅつが開かい発はつされた。

    Technology has been developed to measure surface unevenness at the nano level.

    KMT9Science & MathTechnology
    月つきの表ひょう面めんには多おおくの凹おう凸とつがあり、クレーターが点てん在ざいしている。

    The moon's surface has many irregularities, with craters scattered throughout.

    KMT9Science & MathNature & Environment
    経けい済ざい的てきな凹おう凸とつが社しゃ会かい問もん題だいとなっている。

    Economic disparities have become a social problem.

    KMT9Politics & LawBusiness & Finance

    Kanji that make up this word

    凹
    くぼ.む・へこ.む・ぼこ…(1)
    concave・hollow・sunken
    凸
    でこ…(1)
    convex・beetle brow・uneven
    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

    • 凹
    • 凸

    Explore more

    Kanji Vocab dictionary›Browse all entries›