Pronunciation: /ækˈtɪniəm ˌɛməˈneɪʃən/
noun a radioactive gas that is a decay product of actinium
A1 Actinium emanation is a type of radioactive gas.
A2 Scientists study actinium emanation to understand its properties.
B1 The actinium emanation was carefully contained in the laboratory for analysis.
B2 The detection of actinium emanation in the environment raised concerns about potential health risks.
C1 Advanced technology is required to accurately measure actinium emanation levels.
C2 Research on actinium emanation has led to advancements in nuclear medicine.
formal The researchers studied the actinium emanation as part of their experiment on radioactive decay.
informal I heard they're looking into that actinium emanation thing for their project.
slang Did you catch the latest scoop on actinium emanation? It's pretty wild.
figurative Her anger was like an actinium emanation, spreading rapidly and uncontrollably.
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