electroscope
🇺🇸
/ɪ'lektrəˌskoʊp/
🇬🇧
/ɪ'lektrəskəʊp/
noun
B2
A device that shows if something has an electric charge by using two metal pieces that move apart.
The scientist checked the charged rod with an electroscope to see how strong the charge was.
科学者は電界計を使って帯電棒を検査し、帯電の強さを確認しました。
translation
電界計
語形変化
Plural
electroscopes