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Search Result：actinium
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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(TTS Sound)