HyperDicEnglishATOMIC NUMBER 8 ... atomic number 89

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Related WikiPedia: atomic number 89
English 1 sense of the expression atomic number 89:
NOUNsubstanceatomic number 89, actinium, Aca radioactive element of the actinide series
Englishatomic number 89: 1 sense noun 1, substance
MeaningA radioactive element of the actinide series; found in uranium ores.
Synonymsactinium, Ac
Broaderchemical element, elementAny of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
Substance ofuranium oreAny ore from which uranium can be extracted
Spanishactinio, número atómico 89
CatalanAc, actini, número atòmic 89

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