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/ˈbɛəɹɪəm/ · noun
The chemical element (symbol Ba) with an atomic number of 56. It is a soft, reactive, silvery alkaline earth metal..
Use barium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Barium means The chemical element (symbol Ba) with an atomic number of 56. It is a soft, reactive, silvery alkaline earth metal..
Common synonyms include barytum, atomic number 56, ba.
The opposite depends on the specific sense.
Use barium where its definition matches the intended context.
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