noun🔗Shareالنشاط الإشعاعيSpontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus."The old watch contained radium, which caused its hands to glow in the dark due to radioactivity. "احتوت الساعة القديمة على الراديوم، مما تسبب في توهج عقاربها في الظلام بسبب النشاط الإشعاعي.physicsenergysubstancechemistryenvironmentsciencematerialChat with AIVocabulary GamePractice Reading
noun🔗Shareالنشاط الإشعاعي، الإشعاعThe radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc."The radioactivity from the old smoke detector is dangerous and should be disposed of properly. "الإشعاع الصادر من كاشف الدخان القديم خطير ويجب التخلص منه بشكل صحيح.physicsenergysubstancescienceChat with AIVocabulary GamePractice Reading
