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. 海水

    海水

    海かい水すい

    seawater

    KMT5News #10+1CoreNounNature & EnvironmentKanji Vocab13 strokes

    かいすい

    Noun

    1.
    seawater, saltwater

    Stroke 0 / 13

    Speed1.0x

    海かい水すいは塩しお辛からいです。

    Seawater is salty.

    KMT3Nature & Environment
    海かい水すい浴よくは夏なつの楽たのしみの一ひとつです。

    Swimming in the sea is one of summer's pleasures.

    KMT4Nature & EnvironmentDaily Life
    このプールは海かい水すいを使つかっています。

    This pool uses seawater.

    KMT5Daily LifeNature & Environment
    地ち球きゅうの表ひょう面めんの約やく70%は海かい水すいで覆おおわれています。

    Approximately 70% of the Earth's surface is covered by seawater.

    KMT5Nature & EnvironmentScience & Math
    海かい水すい淡たん水すい化かプラントは、真ま水みず不ぶ足そくの地ち域いきで重じゅう要ような役やく割わりを果はたす。

    Seawater desalination plants play an important role in regions with freshwater shortages.

    KMT7Nature & EnvironmentTechnology

    Kanji that make up this word

    海
    うみ…(16)
    sea・ocean
    水
    みず・みず-…(10)
    water
    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

    • 海
    • 水

    Explore more

    Kanji Vocab dictionary›Browse all entries›