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. 音速

    音速

    音おん速そく

    speed of sound

    KMT10News #45+1NounScience & MathKanji Vocab19 strokes

    おんそく

    Noun

    1.
    speed of sound

    Stroke 0 / 19

    Speed1.0x

    音おん速そくは約やくびょ秒うそくさ速んびゃく340メートルです。

    The speed of sound is about 340 meters per second.

    KMT10Science & Math
    ジェット機きは音おん速そくより速はやく飛はとべます。

    A jet plane can fly faster than the speed of sound.

    KMT10Science & MathTechnology
    音おん速そくは媒ばい体たいや温おん度どによって異ことなります。

    The speed of sound varies depending on the medium and temperature.

    KMT10Science & Math
    音おとの壁かべを破やぶるということは、音おん速そくを超こえることです。

    Breaking the sound barrier means exceeding the speed of sound.

    KMT10Science & MathTechnology
    科か学がく者しゃたちは、音おん速そくをはるかに超こえる極ごく超ちょう音おん速そく飛ひ行こうの実じつ現げん方ほう法ほうを研けん究きゅうしています。

    Scientists are studying how to achieve hypersonic flight, far exceeding the speed of sound.

    KMT10Science & MathTechnology

    Kanji that make up this word

    音
    おと・ね…(5)
    sound・noise
    速
    はや.い・はや-・はや.める・すみ.やか…(2)
    quick・fast
    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

    • 音
    • 速

    Explore more

    Kanji Vocab dictionary›Browse all entries›