1.
radio-controlled clock; atomic clock (consumer)
A clock or watch that automatically synchronizes its time by receiving radio signals from a time standard transmitter, ensuring high accuracy.
電波時計は時刻が正確だ。
Radio-controlled clocks keep accurate time.
壁にかけている電波時計が自動で時刻を合わせた。
The radio-controlled clock on the wall automatically adjusted the time.
父の誕生日に電波時計の腕時計をプレゼントした。
I gave my father a radio-controlled wristwatch for his birthday.
A compound of 電波 (radio waves) + 時計 (clock/watch). In Japan, these clocks receive signals from the JJY transmitter operated by NICT (National Institute of Information and Communications Technology). They are extremely popular in Japan and are a common gift item.
COMMON COLLOCATIONS:
- 電波時計の腕時計: radio-controlled wristwatch
- 電波時計の掛け時計: radio-controlled wall clock
- 電波を受信する: to receive the radio signal
RELATED TERMS:
- 腕時計: wristwatch — general term
- 置き時計: desk clock
- 掛け時計: wall clock
- 目覚まし時計: alarm clock