けいほうき
Keihouki
Other forms: 警報機
警報器 (Keihouki) is a Japanese noun meaning “alarm (fire, burglar, railroad-crossing, etc.), sensor”.
Meanings
- nounalarm (fire, burglar, railroad-crossing, etc.); sensor
Examples
大地震が起これば警報器がなるでしょう。
If there is a big earthquake, the alarm will sound.
２階で朝早い時間に警報器が鳴っているのが聞こえた。
The alarm was heard ringing at an early hour on the second floor.
警報機が鳴っているときは絶対に踏切を渡らないでください。
Don't cross the tracks when the alarm is ringing.
Sentences from Tatoeba (CC BY 2.0 FR).