電でん気き盆ぼん

noun

electrophorus

A historical electrostatic generator consisting of a dielectric plate and a metal disk; used in physics demonstrations.

• 物ぶつ理りの授じゅ業ぎょうで電でん気き盆ぼんを使つかって静せい電でん気きの実じっ験けんをした。

  We did an experiment on static electricity using an electrophorus in physics class.