放ほう射しゃ線せん生せい物ぶつ学がくほうしゃせんせいぶつがくMeanings1nounradiobiologyScientific field studying the effects of ionizing radiation on living organisms.放ほう射しゃ線せん生せい物ぶつ学がくは、放ほう射しゃ線せんが生せい物ぶつに与あたえる影