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単語 / 【 ID 】意味 / 例文 /同義語/上位語/下位語/派生語
radioactivity SimpleWiki Wiktionary Google検索 Collins Cambridge Longman Longman英和 Learners 【 124463 】【意味】 "[名詞] the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay [例] Radioactivity is a natural phenomenon. [例] The radioactivity of the soil is a serious problem. [例] They believed that radioactivity was a threat to the environment. [意味] 放射能, 放射線, 放射, 放射性崩壊, 輻射, 放射性, 発光, 放射活性 ; [同義語] radiation ; [上位語] emission ; [下位語] particulate radiation, corpuscular radiation ; [派生] radioactive ; [同義語群] 13545184-n"

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意味 / 例文 /同義語/上位語/下位語/派生語

radioactivity

SimpleWiki Wiktionary Google検索 Collins Cambridge Longman Longman英和 Learners
【 124463 】

【意味】 "[名詞] the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay [例] Radioactivity is a natural phenomenon. [例] The radioactivity of the soil is a serious problem. [例] They believed that radioactivity was a threat to the environment. [意味] 放射能, 放射線, 放射, 放射性崩壊, 輻射, 放射性, 発光, 放射活性 ; [同義語] radiation ; [上位語] emission ; [下位語] particulate radiation, corpuscular radiation ; [派生] radioactive ; [同義語群] 13545184-n"