Kumi logo
Kumi

Learn Japanese. Where understanding folds into fluency.

Dictionary

KanjiKanji vocabularyKana vocabularyKanaRadicalsGrammarJLPT N5

Learn

GuidesData reportsStart 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. 凸集合

    凸集合

    凸とつ集しゅう合ごう

    convex set

    NTNounScience & MathKanji Vocab23 strokes

    とつしゅうごう

    Noun

    1.
    convex set
    mathematics

    Stroke 0 / 23

    Speed1.0x

    Kanji that make up this word

    凸
    でこ…(1)
    convex・beetle brow・uneven
    集
    あつ.まる・あつ.める・つど.う…(3)
    gather・meet・congregate・swarm・flock
    合
    あ.う・-あ.う・あ.い・あい-・-あ.い・-あい…(16)
    fit・suit・join・0.1
    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

    • 凸
    • 集
    • 合

    Explore more

    Kanji Vocab dictionary›Browse all entries›