About The Word Actinium
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Actinium
Actinium Definition And Meaning |
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What's The Definition Of Actinium?
[n] a radioactive element of the actinide series; found in uranium ores
Synonyms | Synonyms for Actinium: Ac | atomic number 89 Related Terms | Find terms related to Actinium: See Also | chemical element | element | uranium ore Actinium In Webster's Dictionary \Ac*tin"i*um\, n. [Gr. ?, ?, ray.] (Chem.)
A supposed metal, said by Phipson to be contained in
commercial zinc; -- so called because certain of its
compounds are darkened by exposure to light.
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