Last Updated
：2026/01/09
原子時計
Hiragana
げんしどけい
Noun
Japanese Meaning
原子のエネルギー遷移（主に電子の遷移）を利用して、非常に高い精度で時刻を計測・維持する時計。国際的な標準時（国際原子時や協定世界時）の基礎となる。 / 電波時計と混同されることが多いが、電波時計は標準電波を受信して時刻を合わせる仕組みであり、自ら高精度な時刻を生成・維持する原子時計とは異なる。
Easy Japanese Meaning
原子の小さなうごきをつかってじこくをとても正しくはかるとけい
Chinese (Simplified) Meaning
利用原子振荡频率计时的高精度时钟 / 以原子跃迁频率为基准的时间标准设备
Chinese (Traditional) Meaning
以原子躍遷頻率為基準的高精度時鐘 / 用作時間標準的極高精準度計時裝置 / 利用原子共振維持時間的時鐘
Korean Meaning
원자의 고유 진동수를 기준으로 시간을 측정하는 초정밀 시계 / 원자 전이 주파수를 표준으로 삼는 시간 기준 장치 / 국제 표준시 정의에 쓰이는 시계
Indonesian
jam atom / jam yang menggunakan frekuensi transisi atom sebagai standar waktu / jam sangat akurat untuk penentuan waktu
Vietnamese Meaning
đồng hồ nguyên tử / thiết bị đo thời gian dựa trên tần số dao động của nguyên tử, có độ chính xác rất cao
Tagalog Meaning
Orasang gumagamit ng resonansiya o dalas ng mga atom para sa napakatumpak na oras. / Pamantayang relong (hal. cesium clock) na batayan ng internasyonal na oras.
Sense（1）
atomic clock (not to be confused with radio clock)
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
atomic clock (not to be confused with radio clock)
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原子時計
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He measures time accurately using an atomic clock.
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彼は原子時計を使って時間を正確に測定します。
Japanese - English
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