English Dictionary

derma ray

名詞

古語

(physics, archaic) A weak radioactive ray arising from the impact of cathode particles with the molecules of gas contained in an X-ray tube or with the glass walls of the tube.

日本語の意味

陰極粒子がX線管内のガス分子や管のガラスとの衝突により発生する、弱い放射性の放射線

Early experimenters noted that the derma ray produced a faint phosphorescence when it struck the glass of the tube.

初期の実験者たちは、陰極粒子の衝突で生じる弱い放射線が管のガラスに当たるとわずかな蛍光を発することに気づいた。

意味（1）

(physics, archaic) A weak radioactive ray arising from the impact of cathode particles with the molecules of gas contained in an X-ray tube or with the glass walls of the tube.

derma rays （ plural ）