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non-ionizing adjective physics, chemistry (alsononionizing, UK usuallynon-ionising, nonionising)uk /ˌnɒn.ˈaɪ.ə.naɪ.zɪŋ/ us /ˌnɑːnˈaɪ.ə.naɪ.zɪŋ/ not causing an ion to be formed: 非电离的 radio waves and other forms of non-ionizing radiation无线电波和其他形式的非电离辐射 a non-ionizing electromagnetic field Radiation is non-ionizing when no electrons are removed from the atom to create an ion. Non-ionizing forms of radiation that are encountered in day-to-day life, such as microwaves and visible light, are known to be less dangerous than ionizing forms, such as gamma rays and X-rays. A mobile phone produces a nonionizing radioactive field and is safe to keep in one's pocket. SMART Vocabulary: related words and phrases Physical & chemical processes absorbable absorptive absorptive capacity absorptivity acidification endothermic reaction excitability excitation excite exergonic exothermic exothermic reaction impregnate reabsorb react reboil recondense redox scald vaporize
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