radioactive — emitting or relating to the emission of ionizing radiation or particles by the spontaneous disintegration of atomic nuclei
Part of speech: ADJECTIVE
Definition: emitting or relating to the emission of ionizing radiation or particles by the spontaneous disintegration of atomic nuclei
Pronunciation (IPA): /ˌreɪdioʊˈæktɪv/
Korean meaning: 방사능의, 방사성의 (원자핵이 자연 붕괴하면서 방사선을 방출하는)
Korean pronunciation: 레이-디-오-액-티브 (강세: 액)
Example Sentences
- The radioactive half-life of uranium-238 is about 4.5 billion years.
- The superhero got his powers from radioactive spider bite, but I just got a nasty rash.
- Scientists use radioactive tracers to study biological processes in living organisms.
radioactive
ADJECTIVE//ˌreɪdioʊˈæktɪv//
emitting or relating to the emission of ionizing radiation or particles by the spontaneous disintegration of atomic nuclei
Emitting dangerous radiation particles
Radioactive materials stay active yet strangely attractive!
🎤Pronunciation
🌳Etymology
Origin
1898년 마리 퀴리와 피에르 퀴리가 라듐을 발견하면서 만든 용어로, 'radio(방사)'와 'active(활성의)'가 결합된 말입니다. 마치 원자가 스스로 라디오 방송을 하듯 에너지를 방출한다고 해서 붙여진 이름이죠.
🎵Rhyme
🔗Collocations
📝Examples
“The radioactive half-life of uranium-238 is about 4.5 billion years.”
“The superhero got his powers from radioactive spider bite, but I just got a nasty rash.”
“Scientists use radioactive tracers to study biological processes in living organisms.”
“My mom's cooking isn't radioactive, it just glows because she uses too much MSG.”
📚Related Words
Synonyms
Antonyms
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