radioactivity — the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei
Part of speech: NOUN
Definition: the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei
Pronunciation (IPA): /ˌreɪdioʊækˈtɪvəti/
Korean meaning: 원자핵의 자발적 붕괴로 인한 전리 방사선이나 입자의 방출, 방사능
Korean pronunciation: 레이-디-오-액-티-버-티 (강세: 티)
Example Sentences
- The Geiger counter clicked rapidly, indicating high radioactivity in the abandoned laboratory.
- Marie Curie discovered radioactivity and won Nobel Prizes, but her notebooks are still radioactive today!
- The banana's natural radioactivity is so low that you'd need to eat 10 million bananas at once to get radiation poisoning.
radioactivity
NOUN//ˌreɪdioʊækˈtɪvəti//
the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei
Atomic nuclei emitting dangerous radiation
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Radioactivity sparks creative activity!
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Start for Free🎤Pronunciation
🌳Etymology
Origin
1899년 마리 퀴리가 방사선을 내는 물질의 특성을 설명하기 위해 만든 용어로, 라틴어 'radius'(광선)와 'activus'(활동적인)을 결합하여 '활발하게 광선을 내는 성질'이라는 의미가 되었습니다.
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Start for Free🎵Rhyme
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“The Geiger counter clicked rapidly, indicating high radioactivity in the abandoned laboratory.”
“Marie Curie discovered radioactivity and won Nobel Prizes, but her notebooks are still radioactive today!”
“The banana's natural radioactivity is so low that you'd need to eat 10 million bananas at once to get radiation poisoning.”
“Scientists study the radioactivity of ancient rocks to determine the age of the Earth.”
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