線せん源げん

noun

radiation source; source of radiation

Technical term used in physics, nuclear engineering, and radiation safety to refer to any object or material that emits ionizing radiation.

• この装そう置ちは線せん源げんから出でる放ほう射しゃ線せんを測そく定ていします。

  This device measures the radiation emitted from the radiation source.

• 密みっ封ぷう線せん源げんは医い療りょうや工こう業ぎょうで広ひろく使つかわれている。

  Sealed radiation sources are widely used in medicine and industry.