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. 半減

    半減

    半はん減げん

    reduction by half

    KMT7News #19+1CoreNoun, Participle, Verb, Transitive, IntransitiveBusiness & FinanceKanji Vocab17 strokes

    はんげん

    Noun, Participle, Verb, Transitive, Intransitive

    1.
    reduction by half, halving

    Stroke 0 / 17

    Speed1.0x

    人じん口こうが半はん減げんした。

    The population halved.

    KMT5Core ConceptsScience & Math
    コストを半はん減げんさせる計けい画かくが進しん行こう中ちゅうだ。

    A plan to halve costs is underway.

    KMT7Business & Finance
    経けい済ざい危き機きにより、企き業ぎょうの利り益えきが半はん減げんした。

    Due to the economic crisis, corporate profits halved.

    KMT7Business & Finance
    新あたらしい生せい産さんラインの導どう入にゅうで、不ふ良りょう品ひん発はっ生せい率りつを半はん減げんできた。

    By introducing a new production line, we were able to halve the defect rate.

    KMT8Business & FinanceTechnology
    放ほう射しゃ性せい物ぶっ質しつの半はん減げん期きは、その物ぶっ質しつが半はん分ぶんになるまでの時じ間かんを示しめす。

    The half-life of a radioactive substance indicates the time it takes for that substance to halve.

    KMT9Science & Math

    Kanji that make up this word

    半
    なか.ば…(2)
    half・middle・odd number・semi-・part-
    減
    へ.る・へ.らす…(1)
    dwindle・decrease・reduce・decline・curtail…(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

    • 半
    • 減

    Explore more

    Kanji Vocab dictionary›Browse all entries›