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英英字典： actinium

actinium

(TTS Sound)

KK Pronunciation

〔 æk`tInIәm 〕

Pronunciation

〔 ækˋtiniәm 〕

Overview of noun actinium

The noun actinium has 1 sense

actinium, Ac, atomic number 89 -- (a radioactive element of the actinide series; found in uranium ores)

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