noun🔗Shareरेडियोधर्मिताSpontaneous 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. "पुरानी घड़ी में रेडियम था, जिसके कारण इसकी सुइयां रेडियोधर्मिता के कारण अंधेरे में चमकती थीं।physicsenergysubstancechemistryenvironmentsciencematerialChat with AIVocabulary GamePractice Reading
noun🔗Shareरेडियोधर्मिता, विकिरणThe 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. "पुराने धुएँ के डिटेक्टर से निकलने वाली रेडियोधर्मिता खतरनाक है और इसे ठीक से निपटाया जाना चाहिए।physicsenergysubstancescienceChat with AIVocabulary GamePractice Reading
